General

Profile

Dan van der Ster

  • Registered on: 03/27/2013
  • Last connection: 10/23/2020

Issues

Projects

  • Ceph (Developer, Reporter, 07/08/2020)
  • Linux kernel client (Developer, Reporter, 07/08/2020)
  • phprados (Developer, Reporter, 07/08/2020)
  • devops (Developer, Reporter, 07/08/2020)
  • rbd (Developer, Reporter, 07/08/2020)
  • rgw (Developer, Reporter, 07/08/2020)
  • sepia (Developer, Reporter, Backporter, 07/08/2020)
  • fs (Developer, Reporter, 07/08/2020)
  • teuthology (Developer, Reporter, 07/08/2020)
  • rados-java (Developer, Reporter, 07/08/2020)
  • Calamari (Developer, Reporter, 07/08/2020)
  • Ceph-deploy (Developer, Reporter, 07/08/2020)
  • ceph-qa-suite (Developer, Reporter, 07/08/2020)
  • Tools (Developer, Reporter, Backporter, 07/08/2020)
  • Infrastructure (Developer, Reporter, Backporter, 07/08/2020)
  • ceph-cm-ansible (Developer, Reporter, Backporter, 07/08/2020)
  • paddles (Developer, Reporter, Backporter, 07/08/2020)
  • pulpito (Developer, Reporter, Backporter, 07/08/2020)
  • downburst (Developer, Reporter, Backporter, 07/08/2020)
  • ovh (Developer, Reporter, Backporter, 07/08/2020)
  • www.ceph.com (Developer, Reporter, Backporter, 07/08/2020)
  • mgr (Developer, Reporter, 07/08/2020)
  • rgw-testing (Developer, Reporter, 07/08/2020)
  • RADOS (Developer, Reporter, 07/08/2020)
  • bluestore (Developer, Reporter, 07/08/2020)
  • ceph-volume (Developer, Reporter, 07/08/2020)
  • Messengers (Developer, Reporter, 07/08/2020)
  • Orchestrator (Developer, Reporter, 07/08/2020)
  • dmclock (Developer, Reporter, 08/13/2020)

Activity

10/22/2020

03:22 PM RADOS Bug #47767: setting noscrub crashed osd process
It happened again moments after setting nodeep-scrub:...

10/15/2020

12:38 PM fs Bug #36171: mds: ctime should not use client provided ctime/mtime
IMHO ctime should always be `ceph_clock_now()` rather than any time from the client.
Here's an XFS demo. Note how ...

10/13/2020

12:16 PM fs Bug #47833: mds FAILED ceph_assert(sessions != 0) in function 'void SessionMap::hit_session(Sessi...
I tested the fix in the same env, with the stale fh clients, and now the mds does not crash while stopping.

10/12/2020

06:36 PM fs Bug #47833: mds FAILED ceph_assert(sessions != 0) in function 'void SessionMap::hit_session(Sessi...
I have the coredump so we can debug further. In the hit_session frame, we see the session clearly:...
05:53 PM fs Bug #47833: mds FAILED ceph_assert(sessions != 0) in function 'void SessionMap::hit_session(Sessi...
Patrick Donnelly wrote:
> Dan van der Ster wrote:
> > Indeed, I evicted the weird clients spinning on Stale file ha...
02:50 PM fs Bug #47833: mds FAILED ceph_assert(sessions != 0) in function 'void SessionMap::hit_session(Sessi...
Indeed, I evicted the weird clients spinning on Stale file handles, and then the mds stopping procedure finished with...
02:35 PM fs Bug #47833: mds FAILED ceph_assert(sessions != 0) in function 'void SessionMap::hit_session(Sessi...
Here is a log with debug_mds=10. ceph-post-file: f4f87969-d492-4e1d-8e8e-5c9e81e45d2f
From what I can gather, (...
02:10 PM fs Bug #47833 (Pending Backport): mds FAILED ceph_assert(sessions != 0) in function 'void SessionMap...
We are not able to decrease from max_mds=2 to 1 on our cephfs cluster.
As soon as we decrease max_mds, the mds goe...

10/10/2020

08:54 AM RADOS Bug #47813 (New): osd op age is 4294967296
Every few seconds on a 14.2.11 OSD I see an op with age close to 2^32:...

10/07/2020

11:44 AM Ceph Feature #47775: limit osd_pglog size by memory
I've seen that octopus has a new option osd_target_pg_log_entries_per_osd. This looks good. I would therefore amend m...

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