Ceph

01/25/2023

09:06 PM CephFS Bug #58434: Widespread metadata corruption

Venky Shankar wrote:
> Nathan Fish wrote:
> > Further evidence indicates the issue may not be with Ceph; possibly a... Nathan Fish

01/13/2023

06:04 PM CephFS Bug #58434: Widespread metadata corruption

Further evidence indicates the issue may not be with Ceph; possibly a bug in account management. Still investigating.... Nathan Fish

01/12/2023

07:38 PM CephFS Bug #58434 (Rejected): Widespread metadata corruption

One of our CephFS volumes has become corrupt, with user files being substituted for each other with no clear pattern;... Nathan Fish

11/08/2021

04:54 PM Orchestrator Support #50594: ceph orch / cephadm does not allow deploying multiple MDS daemons per FS per host?

In what way was this resolved? Thanks. Nathan Fish

04/30/2021

06:49 PM Orchestrator Support #50594 (Resolved): ceph orch / cephadm does not allow deploying multiple MDS daemons per FS per host?

I have 3 hosts, with lots of cores. I have a filesystem with ~150M files that requires several active MDS daemons to ... Nathan Fish

10/29/2020

07:36 PM CephFS Bug #48009: MDS crashes on locking assert in /build/ceph-14.2.11/src/mds/ScatterLock.h: In function 'void ScatterLock::set_xlock_snap_sync(MDSContext*)'

Both issues involve Scatterlock, but the crash seems to be at a different line. Here is a log of one event. This happ... Nathan Fish

10/26/2020

08:46 PM CephFS Bug #48009 (Need More Info): MDS crashes on locking assert in /build/ceph-14.2.11/src/mds/ScatterLock.h: In function 'void ScatterLock::set_xlock_snap_sync(MDSContext*)'

Twice this week, an MDS has crashed in this function. Failover occurred as normal so disruption was brief. The issue ... Nathan Fish

11/01/2019

08:28 PM CephFS Bug #42597 (Fix Under Review): mon and mds ok-to-stop commands should validate input names exist to prevent misleading replies

"ceph osd ok-to-stop" accepts only integers, "any", and "all". However, the "mon" and "mds" versions accept any strin... Nathan Fish

10/29/2019

06:22 PM CephFS Bug #40102: qa: probable kernel deadlock/oops during umount on testing branch

5.0.0-32 introduced the bad backport, -33 reverted it:
http://changelogs.ubuntu.com/changelogs/pool/main/l/linux/l... Nathan Fish

09/30/2019

06:31 PM Ceph Revision efc8f7d6 (ceph): doc: max_misplaced was renamed in Nautilus

mgr/balancer/max_misplaced was changed to target_max_misplaced_ratio
in 14.2.0.
Signed-off-by: Nathan Fish <lordcirt... Nathan Fish