[ceph-users] After 13.2.2 upgrade: bluefs mount failed to replay log: (5) Input/output error

Kevin Olbrich ko at sv01.de
Wed Oct 3 01:22:21 PDT 2018


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 <ko at 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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