Hi Frank,
BTW, what's your kernel version you were using ? It's a bug and I
haven't ever seen this by using the newer kernel.
You can try to remount the mountpoints and it should work.
Thanks
- Xiubo
On 09/03/2023 17:49, Frank Schilder wrote:
Hi all,
we seem to have hit a bug in the ceph fs kernel client and I just want to confirm what
action to take. We get the error "wrong peer at address" in dmesg and some jobs
on that server seem to get stuck in fs access; log extract below. I found these 2 tracker
items https://tracker.ceph.com/issues/23883 and https://tracker.ceph.com/issues/41519,
which don't seem to have fixes.
My questions:
- Is this harmless or does it indicate invalid/corrupted client cache entries?
- How to resolve, ignore, umount+mount or reboot?
Here an extract from the dmesg log, the error has survived a couple of MDS
restarts already:
[Mon Mar 6 12:56:46 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
[Mon Mar 6 13:05:18 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-1572619386
[Mon Mar 6 13:05:18 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
[Mon Mar 6 13:13:50 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-1572619386
[Mon Mar 6 13:13:50 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
[Mon Mar 6 13:16:41 2023] libceph: mds1 192.168.32.87:6801 socket closed (con
state OPEN)
[Mon Mar 6 13:16:41 2023] libceph: mds1 192.168.32.87:6801 socket closed (con
state OPEN)
[Mon Mar 6 13:16:45 2023] ceph: mds1 reconnect start
[Mon Mar 6 13:16:45 2023] ceph: mds1 reconnect start
[Mon Mar 6 13:16:48 2023] ceph: mds1 reconnect success
[Mon Mar 6 13:16:48 2023] ceph: mds1 reconnect success
[Mon Mar 6 13:18:13 2023] ceph: update_snap_trace error -22
[Mon Mar 6 13:18:17 2023] libceph: mds7 192.168.32.88:6801 socket closed (con
state OPEN)
[Mon Mar 6 13:18:17 2023] libceph: mds7 192.168.32.88:6801 socket closed (con
state OPEN)
[Mon Mar 6 13:18:23 2023] ceph: mds1 recovery completed
[Mon Mar 6 13:18:23 2023] ceph: mds1 recovery completed
[Mon Mar 6 13:18:28 2023] ceph: mds7 reconnect start
[Mon Mar 6 13:18:28 2023] ceph: mds7 reconnect start
[Mon Mar 6 13:18:28 2023] ceph: mds7 reconnect success
[Mon Mar 6 13:18:29 2023] ceph: mds7 reconnect success
[Mon Mar 6 13:18:35 2023] ceph: update_snap_trace error -22
[Mon Mar 6 13:18:35 2023] ceph: mds7 recovery completed
[Mon Mar 6 13:18:35 2023] ceph: mds7 recovery completed
[Mon Mar 6 13:22:22 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-453143347
[Mon Mar 6 13:22:22 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
[Mon Mar 6 13:30:54 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-453143347
[...]
[Thu Mar 9 09:37:24 2023] slurm.epilog.cl (31457): drop_caches: 3
[Thu Mar 9 09:38:26 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-453143347
[Thu Mar 9 09:38:26 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
[Thu Mar 9 09:46:58 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-453143347
[Thu Mar 9 09:46:58 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
[Thu Mar 9 09:55:30 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-453143347
[Thu Mar 9 09:55:30 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
[Thu Mar 9 10:04:02 2023] libceph: wrong peer, want
192.168.32.87:6801/-223958753, got 192.168.32.87:6801/-453143347
[Thu Mar 9 10:04:02 2023] libceph: mds1 192.168.32.87:6801 wrong peer at
address
Thanks and best regards,
=================
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
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--
Best Regards,
Xiubo Li (李秀波)
Email: xiu...@redhat.com/xiu...@ibm.com
Slack: @Xiubo Li
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