Debugging by voodoo dolls: I made a wild guess that stumbling over
cached objects was getting in the way. I dropped caches with:

echo 3 > /proc/sys/vm/drop_caches

and immediately the read iops to the pool skyrocketed and the ripgrep
output sure looks like it's going WAY faster:

                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G     75      0   403K  
    0
  mirror                                      588G   340G     35      0   211K  
    0
    sdj                                          -      -     23      0   128K  
    0
    sdk                                          -      -     11      0  83.7K  
    0
  mirror                                      588G   340G     39      0   191K  
    0
    sdl                                          -      -     16      0  79.7K  
    0
    sdm                                          -      -     22      0   112K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T      5      0  47.8K  
    0
  mirror                                      443G  2.29T      1      0  15.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      0      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      0      0  7.97K  
    0
  mirror                                      443G  2.29T      0      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      0      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      0      0      0  
    0
  mirror                                      443G  2.29T      2      0  23.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      0      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      1      0  15.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G      3      0  16.4K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G     67      0   375K  
    0
  mirror                                      588G   340G     43      0   255K  
    0
    sdj                                          -      -     25      0   147K  
    0
    sdk                                          -      -     17      0   108K  
    0
  mirror                                      588G   340G     23      0   120K  
    0
    sdl                                          -      -      6      0  31.9K  
    0
    sdm                                          -      -     16      0  87.7K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T      3      0  15.9K  
    0
  mirror                                      443G  2.29T      0      0  3.99K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      0      0  3.99K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      0      0      0  
    0
  mirror                                      443G  2.29T      1      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      1      0  7.97K  
    0
  mirror                                      443G  2.29T      0      0  3.99K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      0      0  3.99K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      0      0      0  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G      1      0  4.98K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G     54      0   279K  
    0
  mirror                                      588G   340G     30      0   144K  
    0
    sdj                                          -      -     19      0  87.7K  
    0
    sdk                                          -      -     10      0  55.8K  
    0
  mirror                                      588G   340G     23      0   136K  
    0
    sdl                                          -      -      6      0  59.8K  
    0
    sdm                                          -      -     16      0  75.8K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T      2      0  12.0K  
    0
  mirror                                      443G  2.29T      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      0      0      0  
    0
  mirror                                      443G  2.29T      2      0  12.0K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      0      0  3.99K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      1      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      0      0      0  
    0
  mirror                                      443G  2.29T      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      0      0      0  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      0      0      0  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G      1      0  11.5K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  15.6K      0  98.7M  
    0
  mirror                                      588G   340G  7.75K      0  50.0M  
    0
    sdj                                          -      -  3.98K      0  24.8M  
    0
    sdk                                          -      -  3.77K      0  25.1M  
    0
  mirror                                      588G   340G  7.88K      0  48.8M  
    0
    sdl                                          -      -  3.92K      0  23.8M  
    0
    sdm                                          -      -  3.96K      0  25.0M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    418      0  3.38M  
    0
  mirror                                      443G  2.29T    144      0   857K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     52      0   363K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     53      0   291K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     37      0   203K  
    0
  mirror                                      443G  2.29T    100      0  1.15M  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     27      0   391K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     52      0   498K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     19      0   291K  
    0
  mirror                                      443G  2.29T    173      0  1.39M  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -    103      0   713K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     27      0   199K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     41      0   514K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G     90      0   469K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  15.7K      0   110M  
    0
  mirror                                      588G   340G  8.01K      0  57.7M  
    0
    sdj                                          -      -  3.98K      0  29.3M  
    0
    sdk                                          -      -  4.02K      0  28.4M  
    0
  mirror                                      588G   340G  7.64K      0  52.6M  
    0
    sdl                                          -      -  3.82K      0  26.1M  
    0
    sdm                                          -      -  3.82K      0  26.5M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    236      0  1.12M  
    0
  mirror                                      443G  2.29T     93      0   426K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     32      0   139K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     31      0   151K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     28      0   135K  
    0
  mirror                                      443G  2.29T     44      0   235K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     11      0  87.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      8      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     23      0   108K  
    0
  mirror                                      443G  2.29T     97      0   490K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     56      0   315K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     27      0   112K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     12      0  63.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    214      0  1.02M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G      0      0      0  
    0
  mirror                                      588G   340G      0      0      0  
    0
    sdj                                          -      -      0      0      0  
    0
    sdk                                          -      -      0      0      0  
    0
  mirror                                      588G   340G      0      0      0  
    0
    sdl                                          -      -      0      0      0  
    0
    sdm                                          -      -      0      0      0  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    117      0   498K  
    0
  mirror                                      443G  2.29T     50      0   215K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     15      0  67.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     14      0  63.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     19      0  83.7K  
    0
  mirror                                      443G  2.29T     26      0   116K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      9      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      8      0  35.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      7      0  31.9K  
    0
  mirror                                      443G  2.29T     39      0   167K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     10      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     17      0  71.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     10      0  47.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    205      0  1.04M  
7.97K
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G      0      0      0  
    0
  mirror                                      588G   340G      0      0      0  
    0
    sdj                                          -      -      0      0      0  
    0
    sdk                                          -      -      0      0      0  
    0
  mirror                                      588G   340G      0      0      0  
    0
    sdl                                          -      -      0      0      0  
    0
    sdm                                          -      -      0      0      0  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    127      0   558K  
    0
  mirror                                      443G  2.29T     51      0   231K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     16      0  71.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      9      0  51.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     24      0   108K  
    0
  mirror                                      443G  2.29T     35      0   159K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     10      0  43.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      6      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     17      0  83.7K  
    0
  mirror                                      443G  2.29T     39      0   167K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     18      0  79.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     11      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      8      0  39.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    202      0   989K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  12.6K      0  90.3M  
    0
  mirror                                      588G   340G  6.46K      0  46.5M  
    0
    sdj                                          -      -  3.25K      0  23.6M  
    0
    sdk                                          -      -  3.21K      0  22.9M  
    0
  mirror                                      588G   340G  6.15K      0  43.8M  
    0
    sdl                                          -      -  3.07K      0  22.0M  
    0
    sdm                                          -      -  3.08K      0  21.9M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    129      0   550K  
    0
  mirror                                      443G  2.29T     47      0   199K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     18      0  83.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     15      0  63.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     12      0  51.8K  
    0
  mirror                                      443G  2.29T     28      0   131K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      3      0  15.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     11      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     12      0  67.7K  
    0
  mirror                                      443G  2.29T     52      0   219K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     25      0   112K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     15      0  63.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     10      0  43.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    146      0   715K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  7.97K      0  54.7M  
    0
  mirror                                      588G   340G  3.77K      0  26.1M  
    0
    sdj                                          -      -  1.92K      0  13.1M  
    0
    sdk                                          -      -  1.85K      0  13.0M  
    0
  mirror                                      588G   340G  4.20K      0  28.6M  
    0
    sdl                                          -      -  2.14K      0  13.7M  
    0
    sdm                                          -      -  2.06K      0  14.9M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    112      0   482K  
    0
  mirror                                      443G  2.29T     36      0   155K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     11      0  51.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     10      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     13      0  59.7K  
    0
  mirror                                      443G  2.29T     25      0   115K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      9      0  39.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      8      0  39.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      6      0  35.8K  
    0
  mirror                                      443G  2.29T     49      0   211K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     26      0   111K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     14      0  63.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      7      0  35.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    170      1   880K  
15.9K
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  8.45K      0  59.9M  
    0
  mirror                                      588G   340G  4.26K      0  30.4M  
    0
    sdj                                          -      -  2.13K      0  15.5M  
    0
    sdk                                          -      -  2.13K      0  15.0M  
    0
  mirror                                      588G   340G  4.19K      0  29.4M  
    0
    sdl                                          -      -  2.16K      0  15.0M  
    0
    sdm                                          -      -  2.03K      0  14.4M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     87      0   394K  
    0
  mirror                                      443G  2.29T     27      0   128K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     10      0  55.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      7      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      8      0  39.8K  
    0
  mirror                                      443G  2.29T     30      0   139K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      4      0  23.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     16      0  67.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      8      0  47.8K  
    0
  mirror                                      443G  2.29T     28      0   128K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      6      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     11      0  55.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      9      0  43.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    174      0   839K  
7.97K
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  11.3K      0  82.7M  
    0
  mirror                                      588G   340G  5.56K      0  39.6M  
    0
    sdj                                          -      -  2.79K      0  19.7M  
    0
    sdk                                          -      -  2.77K      0  19.9M  
    0
  mirror                                      588G   340G  5.71K      0  43.1M  
    0
    sdl                                          -      -  2.92K      0  22.1M  
    0
    sdm                                          -      -  2.79K      0  21.1M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    584    495  2.83M  
2.75M
  mirror                                      443G  2.29T    178    172   893K  
 981K
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     59     60   347K  
 327K
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     55     61   243K  
 327K
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     62     49   303K  
 327K
  mirror                                      443G  2.29T    183    172   849K  
 981K
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     69     58   299K  
 327K
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     83     59   411K  
 327K
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     29     53   140K  
 327K
  mirror                                      443G  2.29T    222    150  1.13M  
 849K
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     60     50   331K  
 283K
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     85     51   387K  
 283K
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     75     47   435K  
 283K
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    112      0   598K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  3.50K      0  24.4M  
    0
  mirror                                      588G   340G  1.74K      0  12.1M  
    0
    sdj                                          -      -    898      0  6.03M  
    0
    sdk                                          -      -    880      0  6.08M  
    0
  mirror                                      588G   340G  1.76K      0  12.3M  
    0
    sdl                                          -      -    895      0  6.30M  
    0
    sdm                                          -      -    906      0  5.98M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     74      0   323K  
    0
  mirror                                      443G  2.29T     24      0   108K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      4      0  19.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      8      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     10      0  47.8K  
    0
  mirror                                      443G  2.29T     19      0  87.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      5      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      6      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      6      0  31.9K  
    0
  mirror                                      443G  2.29T     29      0   128K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     16      0  71.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      7      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      4      0  23.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    143      1   815K  
15.9K
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  2.87K      0  23.3M  
    0
  mirror                                      588G   340G  1.38K      0  12.3M  
    0
    sdj                                          -      -    673      0  5.89M  
    0
    sdk                                          -      -    735      0  6.40M  
    0
  mirror                                      588G   340G  1.49K      0  11.0M  
    0
    sdl                                          -      -    758      0  5.96M  
    0
    sdm                                          -      -    767      0  5.09M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    534      0  2.35M  
    0
  mirror                                      443G  2.29T    141      0   733K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     57      0   263K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     45      0   259K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     37      0   211K  
    0
  mirror                                      443G  2.29T    156      0   653K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     48      0   207K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     78      0   323K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     28      0   123K  
    0
  mirror                                      443G  2.29T    236      0  1023K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     93      0   410K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -    130      0   558K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     12      0  55.7K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    163      0   761K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G      4      0  19.9K  
    0
  mirror                                      588G   340G      1      0  7.96K  
    0
    sdj                                          -      -      1      0  7.96K  
    0
    sdk                                          -      -      0      0      0  
    0
  mirror                                      588G   340G      2      0  11.9K  
    0
    sdl                                          -      -      0      0  3.98K  
    0
    sdm                                          -      -      1      0  7.96K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     50      0   362K  
    0
  mirror                                      443G  2.29T     26      0   163K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      4      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     11      0  83.6K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      9      0  51.8K  
    0
  mirror                                      443G  2.29T      8      0  51.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      3      0  23.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      0      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      3      0  19.9K  
    0
  mirror                                      443G  2.29T     14      0   147K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      5      0  83.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      3      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      4      0  35.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G     14      0  72.7K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  8.64K      0  62.3M  
    0
  mirror                                      588G   340G  4.39K      0  31.7M  
    0
    sdj                                          -      -  2.22K      0  16.2M  
    0
    sdk                                          -      -  2.18K      0  15.6M  
    0
  mirror                                      588G   340G  4.25K      0  30.6M  
    0
    sdl                                          -      -  2.15K      0  15.4M  
    0
    sdm                                          -      -  2.10K      0  15.2M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    124      0   805K  
    0
  mirror                                      443G  2.29T     53      0   271K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     18      0  87.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     13      0  63.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     20      0   120K  
    0
  mirror                                      443G  2.29T     29      0   147K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     11      0  55.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      8      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      8      0  43.8K  
    0
  mirror                                      443G  2.29T     40      0   387K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     22      0   307K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      8      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      8      0  39.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    118      0   649K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  6.73K      0  44.6M  
    0
  mirror                                      588G   340G  3.20K      0  21.4M  
    0
    sdj                                          -      -  1.61K      0  10.4M  
    0
    sdk                                          -      -  1.59K      0  11.0M  
    0
  mirror                                      588G   340G  3.53K      0  23.2M  
    0
    sdl                                          -      -  1.82K      0  11.7M  
    0
    sdm                                          -      -  1.72K      0  11.5M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    199      0  1.23M  
    0
  mirror                                      443G  2.29T     55      0   335K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     17      0   144K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     16      0  83.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     20      0   108K  
    0
  mirror                                      443G  2.29T     62      0   403K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     30      0   140K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     11      0   175K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     19      0  87.7K  
    0
  mirror                                      443G  2.29T     80      0   526K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     50      0   243K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     17      0   175K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     11      0   108K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    202      0   999K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  10.8K      0  65.4M  
    0
  mirror                                      588G   340G  5.45K      0  32.7M  
    0
    sdj                                          -      -  2.82K      0  16.7M  
    0
    sdk                                          -      -  2.63K      0  15.9M  
    0
  mirror                                      588G   340G  5.38K      0  32.7M  
    0
    sdl                                          -      -  2.74K      0  16.5M  
    0
    sdm                                          -      -  2.64K      0  16.2M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    236      0  2.09M  
    0
  mirror                                      443G  2.29T     85      0   470K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     36      0   195K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     24      0   124K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     23      0   151K  
    0
  mirror                                      443G  2.29T     93      0   773K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     42      0   243K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     10      0   104K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     39      0   426K  
    0
  mirror                                      443G  2.29T     56      0   901K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     27      0   482K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      9      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     18      0   375K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    138      0   607K  
7.97K
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  13.4K      0   167M  
    0
  mirror                                      588G   340G  6.94K      0  85.5M  
    0
    sdj                                          -      -  3.48K      0  43.6M  
    0
    sdk                                          -      -  3.46K      0  41.8M  
    0
  mirror                                      588G   340G  6.50K      0  81.4M  
    0
    sdl                                          -      -  3.26K      0  41.5M  
    0
    sdm                                          -      -  3.24K      0  39.9M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    112      0   502K  
    0
  mirror                                      443G  2.29T     35      0   151K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     13      0  59.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      6      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     14      0  63.7K  
    0
  mirror                                      443G  2.29T     33      0   167K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      9      0  55.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     11      0  51.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     11      0  59.8K  
    0
  mirror                                      443G  2.29T     42      0   183K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     21      0  95.6K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      6      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     13      0  59.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    246      0  1.11M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  10.5K      0   365M  
    0
  mirror                                      588G   340G  5.24K      0   184M  
    0
    sdj                                          -      -  2.56K      0  89.6M  
    0
    sdk                                          -      -  2.68K      0  94.7M  
    0
  mirror                                      588G   340G  5.29K      0   181M  
    0
    sdl                                          -      -  2.76K      0  94.5M  
    0
    sdm                                          -      -  2.52K      0  86.4M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    109      0   494K  
    0
  mirror                                      443G  2.29T     27      0   124K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      5      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     13      0  59.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      7      0  31.9K  
    0
  mirror                                      443G  2.29T     42      0   203K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     12      0  59.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     14      0  71.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     14      0  71.8K  
    0
  mirror                                      443G  2.29T     38      0   167K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     24      0   104K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      6      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      6      0  31.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    373      0  1.80M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  19.2K      0  94.0M  
    0
  mirror                                      588G   340G  9.77K      0  47.2M  
    0
    sdj                                          -      -  4.93K      0  24.0M  
    0
    sdk                                          -      -  4.84K      0  23.2M  
    0
  mirror                                      588G   340G  9.45K      0  46.8M  
    0
    sdl                                          -      -  4.75K      0  23.5M  
    0
    sdm                                          -      -  4.69K      0  23.3M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     65      0   295K  
    0
  mirror                                      443G  2.29T      7      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      2      0  15.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      1      0  7.97K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      2      0  15.9K  
    0
  mirror                                      443G  2.29T     29      0   136K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      8      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     12      0  59.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      7      0  35.9K  
    0
  mirror                                      443G  2.29T     27      0   120K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     19      0  83.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      2      0  12.0K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      4      0  23.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    162      0   711K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  12.6K      0  94.8M  
    0
  mirror                                      588G   340G  7.28K      0  54.5M  
    0
    sdj                                          -      -  3.68K      0  26.2M  
    0
    sdk                                          -      -  3.60K      0  28.2M  
    0
  mirror                                      588G   340G  5.33K      0  40.3M  
    0
    sdl                                          -      -  2.61K      0  19.8M  
    0
    sdm                                          -      -  2.72K      0  20.5M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    129    548   554K  
5.98M
  mirror                                      443G  2.29T     28    214   120K  
4.16M
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     10     66  43.9K  
1.39M
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      9     74  39.9K  
1.39M
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      7     72  35.9K  
1.39M
  mirror                                      443G  2.29T     53    181   235K  
1.05M
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     26     57   116K  
 359K
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     17     62  75.8K  
 359K
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      8     60  43.9K  
 359K
  mirror                                      443G  2.29T     46    152   199K  
 790K
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     25     48   108K  
 263K
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     11     48  51.8K  
 263K
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      8     54  39.9K  
 263K
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    272      0  1.10M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  14.3K      0   104M  
    0
  mirror                                      588G   340G  7.26K      0  54.0M  
    0
    sdj                                          -      -  3.66K      0  26.9M  
    0
    sdk                                          -      -  3.60K      0  27.2M  
    0
  mirror                                      588G   340G  7.05K      0  49.6M  
    0
    sdl                                          -      -  3.49K      0  23.8M  
    0
    sdm                                          -      -  3.56K      0  25.8M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    111      0   482K  
    0
  mirror                                      443G  2.29T     25      0   116K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      9      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      7      0  35.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      7      0  35.9K  
    0
  mirror                                      443G  2.29T     49      0   219K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     15      0  71.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     18      0  75.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     14      0  71.7K  
    0
  mirror                                      443G  2.29T     35      0   147K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     20      0  83.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      4      0  23.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      9      0  39.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    216      0  1.04M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  14.7K      0   105M  
    0
  mirror                                      588G   340G  9.21K      0  66.1M  
    0
    sdj                                          -      -  4.61K      0  33.2M  
    0
    sdk                                          -      -  4.60K      0  32.9M  
    0
  mirror                                      588G   340G  5.49K      0  39.3M  
    0
    sdl                                          -      -  2.73K      0  19.3M  
    0
    sdm                                          -      -  2.76K      0  20.1M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     98      0   438K  
    0
  mirror                                      443G  2.29T     25      0   120K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     13      0  71.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      4      0  19.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      6      0  27.9K  
    0
  mirror                                      443G  2.29T     43      0   199K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     20      0  91.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      7      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     14      0  75.7K  
    0
  mirror                                      443G  2.29T     28      0   120K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     12      0  55.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      7      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      7      0  31.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    206      0   990K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  13.8K      0  92.5M  
    0
  mirror                                      588G   340G  6.88K      0  46.9M  
    0
    sdj                                          -      -  3.57K      0  23.6M  
    0
    sdk                                          -      -  3.31K      0  23.4M  
    0
  mirror                                      588G   340G  6.91K      0  45.6M  
    0
    sdl                                          -      -  3.50K      0  23.2M  
    0
    sdm                                          -      -  3.41K      0  22.4M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    104      0   467K  
    0
  mirror                                      443G  2.29T     34      0   155K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      9      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     11      0  51.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     12      0  55.8K  
    0
  mirror                                      443G  2.29T     30      0   136K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     14      0  67.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      7      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      7      0  35.9K  
    0
  mirror                                      443G  2.29T     38      0   175K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     18      0  79.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      7      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     11      0  55.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    245      0  1.03M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  13.5K      0   127M  
    0
  mirror                                      588G   340G  6.54K      0  60.4M  
    0
    sdj                                          -      -  3.29K      0  30.6M  
    0
    sdk                                          -      -  3.25K      0  29.8M  
    0
  mirror                                      588G   340G  6.95K      0  67.1M  
    0
    sdl                                          -      -  3.50K      0  33.8M  
    0
    sdm                                          -      -  3.46K      0  33.4M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    101      0   434K  
    0
  mirror                                      443G  2.29T     41      0   171K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     17      0  75.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      9      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     13      0  55.8K  
    0
  mirror                                      443G  2.29T     23      0   108K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      9      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      6      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      6      0  31.9K  
    0
  mirror                                      443G  2.29T     35      0   155K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     13      0  59.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      7      0  31.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     13      0  63.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    265      0  1.16M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  14.7K      0  94.1M  
    0
  mirror                                      588G   340G  7.37K      0  46.2M  
    0
    sdj                                          -      -  3.73K      0  22.9M  
    0
    sdk                                          -      -  3.64K      0  23.2M  
    0
  mirror                                      588G   340G  7.27K      0  47.9M  
    0
    sdl                                          -      -  3.75K      0  24.8M  
    0
    sdm                                          -      -  3.52K      0  23.1M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    107      0   466K  
    0
  mirror                                      443G  2.29T     48      0   211K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      9      0  39.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     17      0  79.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     20      0  91.7K  
    0
  mirror                                      443G  2.29T     29      0   124K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     10      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     11      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      6      0  27.9K  
    0
  mirror                                      443G  2.29T     28      0   132K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      9      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     12      0  55.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      5      0  31.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    137      0   644K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  21.1K      0   129M  
    0
  mirror                                      588G   340G  10.7K      0  64.1M  
    0
    sdj                                          -      -  5.41K      0  32.1M  
    0
    sdk                                          -      -  5.25K      0  32.0M  
    0
  mirror                                      588G   340G  10.4K      0  64.6M  
    0
    sdl                                          -      -  5.32K      0  33.4M  
    0
    sdm                                          -      -  5.09K      0  31.2M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    372      0  4.05M  
    0
  mirror                                      443G  2.29T    146      0  1019K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     47      0   263K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     51      0   291K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     46      0   466K  
    0
  mirror                                      443G  2.29T     79      0  1.06M  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     25      0   263K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -     18      0   573K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     34      0   251K  
    0
  mirror                                      443G  2.29T    146      0  2.00M  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     50      0  1.38M  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     64      0   279K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     30      0   350K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    164      0   737K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  20.2K      0   251M  
    0
  mirror                                      588G   340G  10.6K      0   131M  
    0
    sdj                                          -      -  5.19K      0  63.8M  
    0
    sdk                                          -      -  5.39K      0  66.8M  
    0
  mirror                                      588G   340G  9.63K      0   121M  
    0
    sdl                                          -      -  4.79K      0  59.4M  
    0
    sdm                                          -      -  4.84K      0  61.5M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    102      0   450K  
    0
  mirror                                      443G  2.29T     53      0   247K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     12      0  51.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -     13      0  59.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     26      0   135K  
    0
  mirror                                      443G  2.29T     31      0   127K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     14      0  59.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      8      0  35.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      7      0  31.8K  
    0
  mirror                                      443G  2.29T     16      0  75.6K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      2      0  11.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      5      0  23.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      7      0  39.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    143      0   527K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  22.3K      0   275M  
    0
  mirror                                      588G   340G  11.2K      0   133M  
    0
    sdj                                          -      -  5.64K      0  66.6M  
    0
    sdk                                          -      -  5.56K      0  66.6M  
    0
  mirror                                      588G   340G  11.1K      0   142M  
    0
    sdl                                          -      -  5.62K      0  70.2M  
    0
    sdm                                          -      -  5.49K      0  71.5M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     82      0   382K  
    0
  mirror                                      443G  2.29T     25      0   123K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      9      0  47.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      6      0  35.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      8      0  39.8K  
    0
  mirror                                      443G  2.29T     25      0   131K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     11      0  55.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      6      0  35.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      6      0  39.8K  
    0
  mirror                                      443G  2.29T     30      0   127K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      7      0  35.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     11      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     10      0  43.8K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    172      2   731K  
19.9K
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  27.2K      0   178M  
    0
  mirror                                      588G   340G  13.8K      0  90.7M  
    0
    sdj                                          -      -  6.91K      0  45.4M  
    0
    sdk                                          -      -  6.87K      0  45.3M  
    0
  mirror                                      588G   340G  13.4K      0  87.4M  
    0
    sdl                                          -      -  6.74K      0  43.9M  
    0
    sdm                                          -      -  6.68K      0  43.6M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T    111      0   669K  
    0
  mirror                                      443G  2.29T     31      0   171K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     11      0  79.6K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      9      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      9      0  43.8K  
    0
  mirror                                      443G  2.29T     54      0   338K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     14      0  63.7K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      7      0  31.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     31      0   243K  
    0
  mirror                                      443G  2.29T     24      0   159K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      4      0  23.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     10      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      8      0  91.5K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    167      2   612K  
19.9K
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  30.7K      0   220M  
    0
  mirror                                      588G   340G  14.7K      0   105M  
    0
    sdj                                          -      -  7.41K      0  53.7M  
    0
    sdk                                          -      -  7.29K      0  51.7M  
    0
  mirror                                      588G   340G  15.9K      0   114M  
    0
    sdl                                          -      -  8.04K      0  57.4M  
    0
    sdm                                          -      -  7.91K      0  57.0M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     91    387   386K  
6.15M
  mirror                                      443G  2.29T     30    139   131K  
1.03M
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -     11     46  51.8K  
 350K
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      9     47  43.8K  
 350K
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -      8     44  35.8K  
 350K
  mirror                                      443G  2.29T     28    109   127K  
 860K
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -      6     35  27.9K  
 287K
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      6     36  31.9K  
 287K
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -     14     36  67.7K  
 287K
  mirror                                      443G  2.29T     31    138   127K  
4.28M
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -     15     47  63.7K  
1.43M
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -      4     43  19.9K  
1.43M
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -     10     46  43.8K  
1.43M
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    126      0   560K  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
                                               capacity     operations     
bandwidth 
pool                                         alloc   free   read  write   read  
write
-------------------------------------------  -----  -----  -----  -----  -----  
-----
fst                                          1.15T   679G  25.0K      0   206M  
    0
  mirror                                      588G   340G  12.3K      0   103M  
    0
    sdj                                          -      -  6.21K      0  51.9M  
    0
    sdk                                          -      -  6.13K      0  50.7M  
    0
  mirror                                      588G   340G  12.6K      0   103M  
    0
    sdl                                          -      -  6.31K      0  51.6M  
    0
    sdm                                          -      -  6.30K      0  51.5M  
    0
-------------------------------------------  -----  -----  -----  -----  -----  
-----
srv                                          1.30T  6.86T     83      0   366K  
    0
  mirror                                      443G  2.29T     26      0   123K  
    0
    ata-HGST_HUS724030ALA640_PN2234P8KTWJYY      -      -      9      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G620TW      -      -      5      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G66E2U      -      -     10      0  51.8K  
    0
  mirror                                      443G  2.29T     30      0   135K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TKU      -      -     10      0  47.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69TXU      -      -      9      0  43.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G69U2U      -      -      9      0  43.8K  
    0
  mirror                                      443G  2.29T     25      0   108K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6EBUU      -      -      5      0  27.9K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6ESAU      -      -     12      0  51.8K  
    0
    ata-HGST_HUS724030ALA640_PN2234P9G6G70U      -      -      6      0  27.9K  
    0
logs                                             -      -      -      -      -  
    -
  nvme0n1p1                                   900K  19.9G      0      0      0  
    0
cache                                            -      -      -      -      -  
    -
  nvme0n1p2                                   334G   764G    198      2   770K  
15.9K
-------------------------------------------  -----  -----  -----  -----  -----  
-----

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https://bugs.launchpad.net/bugs/1814983

Title:
  zfs poor sustained read performance from ssd pool

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