Hi, bcache-status renders some weird output:
- "Total Cache Used" and "Total Cache Unused" don't always add up to "Total Cache Size"
- "Dirty Data" is -6 MB? Seems like bugs to me. Details below. Rolf [root@localhost bcache]# bcache-status -s --- bcache --- UUID c318c0b2-0b69-4f66-a729-23b82a9d0e91 Block Size 0.00KiB Bucket Size 512.00KiB Congested? False Read Congestion 2.0ms Write Congestion 20.0ms Total Cache Size 1.00GiB Total Cache Used 20.00MiB (1%) Total Cache Unused 1.00GiB (99%) Dirty Data 0B (0%) Evictable Cache 1.00GiB (100%) Replacement Policy [lru] fifo random Cache Mode [writethrough] writeback writearound none Total Hits 122 (100%) Total Misses 0 Total Bypass Hits 0 Total Bypass Misses 0 Total Bypassed 0B --- Backing Device --- Device File /dev/sda3 (8:3) bcache Device File /dev/bcache1 (252:1) Size 7.00GiB Cache Mode [writethrough] writeback writearound none Readahead 0 Sequential Cutoff 4.00MiB Merge sequential? True State clean Writeback? True Dirty Data 0B Total Hits 122 (100%) Total Misses 0 Total Bypass Hits 0 Total Bypass Misses 0 Total Bypassed 0B --- Cache Device --- Device File /dev/sdb1 (8:17) Size 1.00GiB Block Size 0.00KiB Bucket Size 512.00KiB Replacement Policy [lru] fifo random Discard? False I/O Errors 0 Metadata Written 1.00KiB Data Written 0B Buckets 4094 Cache Used 20.00MiB (1%) Cache Unused 1.00GiB (99%) --- bcache --- UUID d07cd9a1-6211-4bba-bc37-a8ba8858ef4d Block Size 0.00KiB Bucket Size 512.00KiB Congested? False Read Congestion 2.0ms Write Congestion 20.0ms Total Cache Size 1.00GiB Total Cache Used 204.00MiB (10%) Total Cache Unused 1.00GiB (90%) Dirty Data 0B (0%) Evictable Cache 1.00GiB (100%) Replacement Policy [lru] fifo random Cache Mode writethrough [writeback] writearound none Total Hits 1365 (81%) Total Misses 318 Total Bypass Hits 3191 (100%) Total Bypass Misses 0 Total Bypassed 46.00MiB --- Backing Device --- Device File /dev/sdc1 (8:33) bcache Device File /dev/bcache0 (252:0) Size 19.00GiB Cache Mode writethrough [writeback] writearound none Readahead 0 Sequential Cutoff 0B Merge sequential? True State dirty Writeback? True Dirty Data -6.00MiB Total Hits 1365 (81%) Total Misses 318 Total Bypass Hits 3191 (100%) Total Bypass Misses 0 Total Bypassed 46.00MiB --- Cache Device --- Device File /dev/sdd1 (8:49) Size 1.00GiB Block Size 0.00KiB Bucket Size 512.00KiB Replacement Policy [lru] fifo random Discard? False I/O Errors 0 Metadata Written 281.00KiB Data Written 18.00MiB Buckets 4094 Cache Used 204.00MiB (10%) Cache Unused 1.00GiB (90%) [root@localhost bcache]# -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
