Small addition: the failing disks are in the same host. This is a two-host, failure-domain OSD cluster.
Am Mi., 3. Okt. 2018 um 10:13 Uhr schrieb Kevin Olbrich <k...@sv01.de>: > Hi! > > Yesterday one of our (non-priority) clusters failed when 3 OSDs went down > (EC 8+2) together. > *This is strange as we did an upgrade from 13.2.1 to 13.2.2 one or two > hours before.* > They failed exactly at the same moment, rendering the cluster unusable > (CephFS). > We are using CentOS 7 with latest updates and ceph repo. No cache SSDs, no > external journal / wal / db. > > *OSD 29 (no disk failure in dmesg):* > 2018-10-03 09:47:15.074 7fb8835ce1c0 0 set uid:gid to 167:167 (ceph:ceph) > 2018-10-03 09:47:15.074 7fb8835ce1c0 0 ceph version 13.2.2 > (02899bfda814146b021136e9d8e80eba494e1126) mimic (stable), process > ceph-osd, pid 20899 > 2018-10-03 09:47:15.074 7fb8835ce1c0 0 pidfile_write: ignore empty > --pid-file > 2018-10-03 09:47:15.100 7fb8835ce1c0 0 load: jerasure load: lrc load: isa > 2018-10-03 09:47:15.100 7fb8835ce1c0 1 bdev create path > /var/lib/ceph/osd/ceph-29/block type kernel > 2018-10-03 09:47:15.100 7fb8835ce1c0 1 bdev(0x561250a20000 > /var/lib/ceph/osd/ceph-29/block) open path /var/lib/ceph/osd/ceph-29/block > 2018-10-03 09:47:15.100 7fb8835ce1c0 1 bdev(0x561250a20000 > /var/lib/ceph/osd/ceph-29/block) open size 1000198897664 (0xe8e0800000, 932 > GiB) block_size 4096 (4 KiB) rotational > 2018-10-03 09:47:15.101 7fb8835ce1c0 1 > bluestore(/var/lib/ceph/osd/ceph-29) _set_cache_sizes kv_min_ratio 1 > > kv_ratio 0.5 > 2018-10-03 09:47:15.101 7fb8835ce1c0 1 > bluestore(/var/lib/ceph/osd/ceph-29) _set_cache_sizes cache_size 536870912 > meta 0 kv 1 data 0 > 2018-10-03 09:47:15.101 7fb8835ce1c0 1 bdev(0x561250a20000 > /var/lib/ceph/osd/ceph-29/block) close > 2018-10-03 09:47:15.358 7fb8835ce1c0 1 > bluestore(/var/lib/ceph/osd/ceph-29) _mount path /var/lib/ceph/osd/ceph-29 > 2018-10-03 09:47:15.358 7fb8835ce1c0 1 bdev create path > /var/lib/ceph/osd/ceph-29/block type kernel > 2018-10-03 09:47:15.358 7fb8835ce1c0 1 bdev(0x561250a20000 > /var/lib/ceph/osd/ceph-29/block) open path /var/lib/ceph/osd/ceph-29/block > 2018-10-03 09:47:15.359 7fb8835ce1c0 1 bdev(0x561250a20000 > /var/lib/ceph/osd/ceph-29/block) open size 1000198897664 (0xe8e0800000, 932 > GiB) block_size 4096 (4 KiB) rotational > 2018-10-03 09:47:15.360 7fb8835ce1c0 1 > bluestore(/var/lib/ceph/osd/ceph-29) _set_cache_sizes kv_min_ratio 1 > > kv_ratio 0.5 > 2018-10-03 09:47:15.360 7fb8835ce1c0 1 > bluestore(/var/lib/ceph/osd/ceph-29) _set_cache_sizes cache_size 536870912 > meta 0 kv 1 data 0 > 2018-10-03 09:47:15.360 7fb8835ce1c0 1 bdev create path > /var/lib/ceph/osd/ceph-29/block type kernel > 2018-10-03 09:47:15.360 7fb8835ce1c0 1 bdev(0x561250a20a80 > /var/lib/ceph/osd/ceph-29/block) open path /var/lib/ceph/osd/ceph-29/block > 2018-10-03 09:47:15.360 7fb8835ce1c0 1 bdev(0x561250a20a80 > /var/lib/ceph/osd/ceph-29/block) open size 1000198897664 (0xe8e0800000, 932 > GiB) block_size 4096 (4 KiB) rotational > 2018-10-03 09:47:15.360 7fb8835ce1c0 1 bluefs add_block_device bdev 1 > path /var/lib/ceph/osd/ceph-29/block size 932 GiB > 2018-10-03 09:47:15.360 7fb8835ce1c0 1 bluefs mount > 2018-10-03 09:47:15.538 7fb8835ce1c0 -1 bluefs _replay file with link > count 0: file(ino 519 size 0x31e2f42 mtime 2018-10-02 12:24:22.632397 bdev > 1 allocated 3200000 extents > [1:0x7008200000+100000,1:0x7009000000+100000,1:0x7009100000+100000,1:0x7009200000+100000,1:0x7009300000+100000,1:0x7009400000+100000,1:0x7009500000+100000,1:0x7009600000+100000,1:0x7009700000+100000,1:0x7009800000+100000,1:0x7009900000+100000,1:0x7009a00000+100000,1:0x7009b00000+100000,1:0x7009c00000+100000,1:0x7009d00000+100000,1:0x7009e00000+100000,1:0x7009f00000+100000,1:0x700a000000+100000,1:0x700a100000+100000,1:0x700a200000+100000,1:0x700a300000+100000,1:0x700a400000+100000,1:0x700a500000+100000,1:0x700a600000+100000,1:0x700a700000+100000,1:0x700a800000+100000,1:0x700a900000+100000,1:0x700aa00000+100000,1:0x700ab00000+100000,1:0x700ac00000+100000,1:0x700ad00000+100000,1:0x700ae00000+100000,1:0x700af00000+100000,1:0x700b000000+100000,1:0x700b100000+100000,1:0x700b200000+100000,1:0x700b300000+100000,1:0x700b400000+100000,1:0x700b500000+100000,1:0x700b600000+100000,1:0x700b700000+100000,1:0x700b800000+100000,1:0x700b900000+100000,1:0x700ba00000+100000,1:0x700bb00000+100000,1:0x700bc00000+100000,1:0x700bd00000+100000,1:0x700be00000+100000,1:0x700bf00000+100000,1:0x700c000000+100000]) > 2018-10-03 09:47:15.538 7fb8835ce1c0 -1 bluefs mount failed to replay log: > (5) Input/output error > 2018-10-03 09:47:15.538 7fb8835ce1c0 1 stupidalloc 0x0x561250b8d030 > shutdown > 2018-10-03 09:47:15.538 7fb8835ce1c0 -1 > bluestore(/var/lib/ceph/osd/ceph-29) _open_db failed bluefs mount: (5) > Input/output error > 2018-10-03 09:47:15.538 7fb8835ce1c0 1 bdev(0x561250a20a80 > /var/lib/ceph/osd/ceph-29/block) close > 2018-10-03 09:47:15.616 7fb8835ce1c0 1 bdev(0x561250a20000 > /var/lib/ceph/osd/ceph-29/block) close > 2018-10-03 09:47:15.870 7fb8835ce1c0 -1 osd.29 0 OSD:init: unable to mount > object store > 2018-10-03 09:47:15.870 7fb8835ce1c0 -1 ** ERROR: osd init failed: (5) > Input/output error > > *OSD 42:* > disk is found by lvm, tmpfs is created but service immediately dies on > start without log... > This might be failed. > > *OSD 47 (same as above, seems not be died, no dmesg trace):* > 2018-10-03 10:02:25.221 7f4d54b611c0 0 set uid:gid to 167:167 (ceph:ceph) > 2018-10-03 10:02:25.221 7f4d54b611c0 0 ceph version 13.2.2 > (02899bfda814146b021136e9d8e80eba494e1126) mimic (stable), process > ceph-osd, pid 8993 > 2018-10-03 10:02:25.221 7f4d54b611c0 0 pidfile_write: ignore empty > --pid-file > 2018-10-03 10:02:25.247 7f4d54b611c0 0 load: jerasure load: lrc load: isa > 2018-10-03 10:02:25.248 7f4d54b611c0 1 bdev create path > /var/lib/ceph/osd/ceph-46/block type kernel > 2018-10-03 10:02:25.248 7f4d54b611c0 1 bdev(0x564072f96000 > /var/lib/ceph/osd/ceph-46/block) open path /var/lib/ceph/osd/ceph-46/block > 2018-10-03 10:02:25.248 7f4d54b611c0 1 bdev(0x564072f96000 > /var/lib/ceph/osd/ceph-46/block) open size 1000198897664 (0xe8e0800000, 932 > GiB) block_size 4096 (4 KiB) rotational > 2018-10-03 10:02:25.249 7f4d54b611c0 1 > bluestore(/var/lib/ceph/osd/ceph-46) _set_cache_sizes kv_min_ratio 1 > > kv_ratio 0.5 > 2018-10-03 10:02:25.249 7f4d54b611c0 1 > bluestore(/var/lib/ceph/osd/ceph-46) _set_cache_sizes cache_size 536870912 > meta 0 kv 1 data 0 > 2018-10-03 10:02:25.249 7f4d54b611c0 1 bdev(0x564072f96000 > /var/lib/ceph/osd/ceph-46/block) close > 2018-10-03 10:02:25.503 7f4d54b611c0 1 > bluestore(/var/lib/ceph/osd/ceph-46) _mount path /var/lib/ceph/osd/ceph-46 > 2018-10-03 10:02:25.504 7f4d54b611c0 1 bdev create path > /var/lib/ceph/osd/ceph-46/block type kernel > 2018-10-03 10:02:25.504 7f4d54b611c0 1 bdev(0x564072f96000 > /var/lib/ceph/osd/ceph-46/block) open path /var/lib/ceph/osd/ceph-46/block > 2018-10-03 10:02:25.504 7f4d54b611c0 1 bdev(0x564072f96000 > /var/lib/ceph/osd/ceph-46/block) open size 1000198897664 (0xe8e0800000, 932 > GiB) block_size 4096 (4 KiB) rotational > 2018-10-03 10:02:25.505 7f4d54b611c0 1 > bluestore(/var/lib/ceph/osd/ceph-46) _set_cache_sizes kv_min_ratio 1 > > kv_ratio 0.5 > 2018-10-03 10:02:25.505 7f4d54b611c0 1 > bluestore(/var/lib/ceph/osd/ceph-46) _set_cache_sizes cache_size 536870912 > meta 0 kv 1 data 0 > 2018-10-03 10:02:25.505 7f4d54b611c0 1 bdev create path > /var/lib/ceph/osd/ceph-46/block type kernel > 2018-10-03 10:02:25.505 7f4d54b611c0 1 bdev(0x564072f96a80 > /var/lib/ceph/osd/ceph-46/block) open path /var/lib/ceph/osd/ceph-46/block > 2018-10-03 10:02:25.505 7f4d54b611c0 1 bdev(0x564072f96a80 > /var/lib/ceph/osd/ceph-46/block) open size 1000198897664 (0xe8e0800000, 932 > GiB) block_size 4096 (4 KiB) rotational > 2018-10-03 10:02:25.505 7f4d54b611c0 1 bluefs add_block_device bdev 1 > path /var/lib/ceph/osd/ceph-46/block size 932 GiB > 2018-10-03 10:02:25.505 7f4d54b611c0 1 bluefs mount > 2018-10-03 10:02:25.620 7f4d54b611c0 -1 bluefs _replay file with link > count 0: file(ino 450 size 0x169964c mtime 2018-10-02 12:24:22.602432 bdev > 1 allocated 1700000 extents > [1:0x6fd9500000+100000,1:0x6fd9600000+100000,1:0x6fd9700000+100000,1:0x6fd9800000+100000,1:0x6fd9900000+100000,1:0x6fd9a00000+100000,1:0x6fd9b00000+100000,1:0x6fd9c00000+100000,1:0x6fd9d00000+100000,1:0x6fd9e00000+100000,1:0x6fd9f00000+100000,1:0x6fda000000+100000,1:0x6fda100000+100000,1:0x6fda200000+100000,1:0x6fda300000+100000,1:0x6fda400000+100000,1:0x6fda500000+100000,1:0x6fda600000+100000,1:0x6fda700000+100000,1:0x6fda800000+100000,1:0x6fda900000+100000,1:0x6fdaa00000+100000,1:0x6fdab00000+100000]) > 2018-10-03 10:02:25.620 7f4d54b611c0 -1 bluefs mount failed to replay log: > (5) Input/output error > 2018-10-03 10:02:25.620 7f4d54b611c0 1 stupidalloc 0x0x564073102fc0 > shutdown > 2018-10-03 10:02:25.620 7f4d54b611c0 -1 > bluestore(/var/lib/ceph/osd/ceph-46) _open_db failed bluefs mount: (5) > Input/output error > 2018-10-03 10:02:25.620 7f4d54b611c0 1 bdev(0x564072f96a80 > /var/lib/ceph/osd/ceph-46/block) close > 2018-10-03 10:02:25.763 7f4d54b611c0 1 bdev(0x564072f96000 > /var/lib/ceph/osd/ceph-46/block) close > 2018-10-03 10:02:26.010 7f4d54b611c0 -1 osd.46 0 OSD:init: unable to mount > object store > 2018-10-03 10:02:26.010 7f4d54b611c0 -1 ** ERROR: osd init failed: (5) > Input/output error > > We had failing disks in this cluster before but that was easily recovered > by out + rebalance. > For me, it seems like one disk died (there was large I/O on the cluster > when this happened) and took two additional disks with it. > It is very strange that this happened about two hours after the upgrade + > reboot. > > *Any recommendations?* > *I have 8 PGs down, the remeining are active and recovery / rebalance.* > > Kind regards > Kevin >
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