Hi Mehmet, thank you for your suggestion. I did now check the kernel log, but I didn’t see something interesting. However, I copied the parts that seams to be related to the SATA disks of the failed OSDs. Maybe you see more than I do. [ 1.815801] ata7: SATA link down (SStatus 0 SControl 300) [ 1.815829] ata5: SATA link down (SStatus 0 SControl 300) [ 1.815857] ata6: SATA link down (SStatus 0 SControl 300) [ 1.815898] ata1: SATA link down (SStatus 0 SControl 300) [ 1.815924] ata3: SATA link down (SStatus 0 SControl 300) [ 1.816082] ata8: SATA link down (SStatus 0 SControl 300) [ 1.826475] ata10: SATA link down (SStatus 0 SControl 300) [ 1.827513] ata9: SATA link down (SStatus 0 SControl 300) [ 1.827588] ata15: SATA link down (SStatus 0 SControl 300) [ 1.827611] ata14: SATA link down (SStatus 0 SControl 300) [ 1.827633] ata16: SATA link down (SStatus 0 SControl 300) [ 1.827656] ata12: SATA link down (SStatus 0 SControl 300) [ 1.827723] ata13: SATA link down (SStatus 0 SControl 300) [ 1.827749] ata11: SATA link down (SStatus 0 SControl 300) [ 1.881883] sfc 0000:41:00.1 enp65s0f1np1: renamed from eth3 [ 1.905500] sfc 0000:42:00.1 enp66s0f1np1: renamed from eth5 [ 1.965505] sfc 0000:41:00.0 enp65s0f0np0: renamed from eth2 [ 1.969431] usb 7-1: new high-speed USB device number 2 using xhci_hcd [ 1.981407] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 1.981728] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 1.996617] ata4.00: ATA-11: ST12000NM0008-2H3101, SN02, max UDMA/133 [ 1.996620] ata4.00: 23437770752 sectors, multi 16: LBA48 NCQ (depth 32), AA [ 2.001799] sfc 0000:42:00.0 enp66s0f0np0: renamed from eth4 [ 2.011544] ata4.00: configured for UDMA/133 [ 2.030004] ata2.00: ATA-11: ST12000VN0008-2PH103, SC61, max UDMA/133 [ 2.030007] ata2.00: 23437770752 sectors, multi 16: LBA48 NCQ (depth 32), AA [ 2.063203] ata2.00: configured for UDMA/133 [ 2.406013] scsi 1:0:0:0: Direct-Access ATA ST12000VN0008-2P SC61 PQ: 0 ANSI: 5 [ 2.406220] sd 1:0:0:0: Attached scsi generic sg0 type 0 [ 2.406266] sd 1:0:0:0: [sda] 23437770752 512-byte logical blocks: (12.0 TB/10.9 TiB) [ 2.406270] sd 1:0:0:0: [sda] 4096-byte physical blocks [ 2.406280] sd 1:0:0:0: [sda] Write Protect is off [ 2.406282] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 2.406295] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.406506] scsi 3:0:0:0: Direct-Access ATA ST12000NM0008-2H SN02 PQ: 0 ANSI: 5 [ 2.406683] sd 3:0:0:0: Attached scsi generic sg1 type 0 [ 2.406689] sd 3:0:0:0: [sdb] 23437770752 512-byte logical blocks: (12.0 TB/10.9 TiB) [ 2.406691] sd 3:0:0:0: [sdb] 4096-byte physical blocks [ 2.406695] sd 3:0:0:0: [sdb] Write Protect is off [ 2.406696] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [ 2.406704] sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.465415] usb 7-1.1: new full-speed USB device number 3 using xhci_hcd [ 2.485406] sd 3:0:0:0: [sdb] Attached SCSI removable disk [ 2.493432] sd 1:0:0:0: [sda] Attached SCSI removable disk [ 3.965442] systemd[1]: /lib/systemd/system/ceph-volume@.service:8: Unit configured to use KillMode=none. This is unsafe, as it disables systemd's process lifecycle management for the service. Please update your service to use a safer KillMode=, such as 'mixed' or 'control-group'. Support for KillMode=none is deprecated and will eventually be removed. [ 3.965726] systemd[1]: /lib/systemd/system/ceph-volume@.service:8: Unit configured to use KillMode=none. This is unsafe, as it disables systemd's process lifecycle management for the service. Please update your service to use a safer KillMode=, such as 'mixed' or 'control-group'. Support for KillMode=none is deprecated and will eventually be removed. [ 3.965919] systemd[1]: /lib/systemd/system/ceph-volume@.service:8: Unit configured to use KillMode=none. This is unsafe, as it disables systemd's process lifecycle management for the service. Please update your service to use a safer KillMode=, such as 'mixed' or 'control-group'. Support for KillMode=none is deprecated and will eventually be removed. [ 3.966134] systemd[1]: /lib/systemd/system/ceph-volume@.service:8: Unit configured to use KillMode=none. This is unsafe, as it disables systemd's process lifecycle management for the service. Please update your service to use a safer KillMode=, such as 'mixed' or 'control-group'. Support for KillMode=none is deprecated and will eventually be removed. [ 3.968007] systemd[1]: Queued start job for default target Graphical Interface. [ 4.002962] systemd[1]: Created slice system-ceph\x2dvolume.slice. [ 4.004015] systemd[1]: Reached target ceph target allowing to start/stop all ceph-fuse@.service instances at once. [ 4.004024] systemd[1]: Reached target ceph target allowing to start/stop all ceph-mon@.service instances at once. [ 4.004031] systemd[1]: Reached target ceph target allowing to start/stop all ceph-mds@.service instances at once. [ 4.004037] systemd[1]: Reached target ceph target allowing to start/stop all ceph-mgr@.service instances at once. [ 4.004041] systemd[1]: Reached target ceph target allowing to start/stop all ceph-osd@.service instances at once. I try to execute `ceph-bluestore-tool fsck --path /var/lib/ceph/osd/ceph-7` which again result in fsck failed: (5) Input/output error but this does not produce a single line at dmesg Thanks, Sebastian > On 21.12.2021, at 19:29, ceph@xxxxxxxxxx wrote: > > Hi, > This > > fsck failed: (5) Input/output error > > Sounds like an Hardware issue. > Did you have a Look on "dmesg"? > > Hth > Mehmet > > Am 21. Dezember 2021 17:47:35 MEZ schrieb Sebastian Mazza <sebastian@xxxxxxxxxxx>: > Hi all, > > after a reboot of a cluster 3 OSDs can not be started. The OSDs exit with the following error message: > 2021-12-21T01:01:02.209+0100 7fd368cebf00 4 rocksdb: [db_impl/db_impl.cc:396] Shutdown: canceling all background work > 2021-12-21T01:01:02.209+0100 7fd368cebf00 4 rocksdb: [db_impl/db_impl.cc:573] Shutdown complete > 2021-12-21T01:01:02.209+0100 7fd368cebf00 -1 rocksdb: Corruption: Bad table magic number: expected 9863518390377041911, found 0 in db/002182.sst > 2021-12-21T01:01:02.213+0100 7fd368cebf00 -1 bluestore(/var/lib/ceph/osd/ceph-7) _open_db erroring opening db: > 2021-12-21T01:01:02.213+0100 7fd368cebf00 1 bluefs umount > 2021-12-21T01:01:02.213+0100 7fd368cebf00 1 bdev(0x559bbe0ea800 /var/lib/ceph/osd/ceph-7/block) close > 2021-12-21T01:01:02.293+0100 7fd368cebf00 1 bdev(0x559bbe0ea400 /var/lib/ceph/osd/ceph-7/block) close > 2021-12-21T01:01:02.537+0100 7fd368cebf00 -1 osd.7 0 OSD:init: unable to mount object store > 2021-12-21T01:01:02.537+0100 7fd368cebf00 -1 ** ERROR: osd init failed: (5) Input/output error > > > I found a similar problem in this Mailing list: https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/thread/MJLVS7UPJ5AZKOYN3K2VQW7WIOEQGC5V/#MABLFA4FHG6SX7YN4S6BGSCP6DOAX6UE > > In this thread, Francois was able to successfully repair his OSD data with `ceph-bluestore-tool fsck`. I tried to run: > `ceph-bluestore-tool fsck --path /var/lib/ceph/osd/ceph-7 -l /var/log/ceph/bluestore-tool-fsck-osd-7.log --log-level 20 > /var/log/ceph/bluestore-tool-fsck-osd-7.out 2>&1` > But that results in: > 2021-12-21T16:44:18.455+0100 7fc54ef7a240 -1 rocksdb: Corruption: Bad table magic number: expected 9863518390377041911, found 0 in db/002182.sst > 2021-12-21T16:44:18.455+0100 7fc54ef7a240 -1 bluestore(/var/lib/ceph/osd/ceph-7) _open_db erroring opening db: > fsck failed: (5) Input/output error > > I also tried to run `ceph-kvstore-tool bluestore-kv /var/lib/ceph/osd/ceph-7 repair`. But that also fails with: > 2021-12-21T17:34:06.780+0100 7f35765f7240 0 bluestore(/var/lib/ceph/osd/ceph-7) _open_db_and_around read-only:0 repair:0 > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bdev(0x55fce5a1a800 /var/lib/ceph/osd/ceph-7/block) open path /var/lib/ceph/osd/ceph-7/block > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bdev(0x55fce5a1a800 /var/lib/ceph/osd/ceph-7/block) open size 12000134430720 (0xae9ffc00000, 11 TiB) > block_size 4096 (4 KiB) rotational discard not supported > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bluestore(/var/lib/ceph/osd/ceph-7) _set_cache_sizes cache_size 1073741824 meta 0.45 kv 0.45 data 0.06 > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bdev(0x55fce5a1ac00 /var/lib/ceph/osd/ceph-7/block) open path /var/lib/ceph/osd/ceph-7/block > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bdev(0x55fce5a1ac00 /var/lib/ceph/osd/ceph-7/block) open size 12000134430720 (0xae9ffc00000, 11 TiB) > block_size 4096 (4 KiB) rotational discard not supported > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bluefs add_block_device bdev 1 path /var/lib/ceph/osd/ceph-7/block size 11 TiB > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bluefs mount > 2021-12-21T17:34:06.780+0100 7f35765f7240 1 bluefs _init_alloc shared, id 1, capacity 0xae9ffc00000, block size 0x10000 > 2021-12-21T17:34:06.904+0100 7f35765f7240 1 bluefs mount shared_bdev_used = 0 > 2021-12-21T17:34:06.904+0100 7f35765f7240 1 bluestore(/var/lib/ceph/osd/ceph-7) _prepare_db_environment set db_paths to db,11400127709184 db.slow,11400127709184 > 2021-12-21T17:34:06.908+0100 7f35765f7240 -1 rocksdb: Corruption: Bad table magic number: expected 9863518390377041911, found 0 in db/002182.sst > 2021-12-21T17:34:06.908+0100 7f35765f7240 -1 bluestore(/var/lib/ceph/osd/ceph-7) _open_db erroring opening db: > 2021-12-21T17:34:06.908+0100 7f35765f7240 1 bluefs umount > 2021-12-21T17:34:06.908+0100 7f35765f7240 1 bdev(0x55fce5a1ac00 /var/lib/ceph/osd/ceph-7/block) close > 2021-12-21T17:34:07.072+0100 7f35765f7240 1 bdev(0x55fce5a1a800 /var/lib/ceph/osd/ceph-7/block) close > > > The cluster is not in production, therefore, I can remove all corrupt pools and delete the OSDs. However, I would like to understand what was going on, in order to be able to avoid such a situation in the future. > > I will provide the OSD logs from the time around the server reboot at the following link: https://we.tl/t-fArHXTmSM7 > > Ceph version: 16.2.6 > > > Thanks, > Sebastian > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx