Jason Dillaman



  • Ceph (Developer, Reporter, Backporter, 09/18/2014)
  • Linux kernel client (Developer, Reporter, 09/18/2014)
  • phprados (Developer, Reporter, 09/18/2014)
  • devops (Developer, Reporter, Backporter, 09/18/2014)
  • rbd (Developer, Reporter, Backporter, 09/18/2014)
  • rgw (Developer, Reporter, Backporter, 09/18/2014)
  • sepia (Developer, Reporter, Backporter, 09/18/2014)
  • fs (Developer, Reporter, Backporter, 09/18/2014)
  • teuthology (Developer, Reporter, 09/18/2014)
  • rados-java (Developer, Reporter, 09/18/2014)
  • Calamari (Developer, Reporter, 09/18/2014)
  • Ceph-deploy (Developer, Reporter, 10/03/2014)
  • Stable releases (Manager, Developer, 02/28/2016)
  • ceph-qa-suite (Developer, Reporter, Backporter, 06/09/2015)
  • Tools (Developer, Reporter, Backporter, 01/26/2016)
  • Infrastructure (Developer, Reporter, Backporter, 01/26/2016)
  • ceph-cm-ansible (Developer, Reporter, Backporter, 01/26/2016)
  • paddles (Developer, Reporter, Backporter, 01/26/2016)
  • pulpito (Developer, Reporter, Backporter, 01/26/2016)
  • downburst (Developer, Reporter, Backporter, 01/28/2016)
  • ovh (Developer, Reporter, Backporter, 02/02/2016)
  • (Developer, Reporter, Backporter, 08/22/2016)
  • CI (Reporter, 01/10/2017)
  • rgw-testing (Developer, Reporter, Backporter, 11/01/2016)
  • RADOS (Developer, Reporter, Backporter, 06/07/2017)



12:57 PM rbd Bug #20393 (Need More Info): IO hang in libvirt/rbd VMs...


03:50 PM rbd Bug #20393: IO hang in libvirt/rbd VMs...
A 1 second tail latency on an overloaded cluster can occur. Can you repeat 60-120 second stalled IO? As it is, these ...
12:01 PM rbd Bug #20388: combination of kvm using librbd from kraken and online resize leads to data corruption
Perfect, thanks.
12:07 AM rbd Bug #20388 (Need More Info): combination of kvm using librbd from kraken and online resize leads ...
We will need a repeatable reproducer to try and fix it -- or debug-level logs from the affected librbd instance.


12:51 AM Ceph Revision fee2ea1c (ceph): Merge pull request #15757 from runsisi/wip-image-ts
librbd: add create timestamp metadata for image
Reviewed-by: Jason Dillaman <>


11:43 PM rbd Bug #20054 (Need More Info): librbd memory overhead when used with KVM
If anyone can provide an example job reproducing this with fio utilizing the direct rbd engine (i.e. take QEMU out-of...
07:52 PM RADOS Bug #20041: ceph-osd: PGs getting stuck in scrub state, stalling RBD
Second reported case from mailing list of VMs locking up -- they also have VMs issuing periodic discards.


11:50 AM Ceph Revision 3086d2a0 (ceph): librbd: removed synchronous watcher check from remove image state machine
Signed-off-by: Jason Dillaman <>
11:50 AM Ceph Revision 960c7cd8 (ceph): librbd: clean up remove request state machine
Signed-off-by: Jason Dillaman <>
11:48 AM Ceph Revision 29d53180 (ceph): librbd: remove state machine should ignore group not supported errors
Signed-off-by: Jason Dillaman <>

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