Hmmm, after crashing for a few days every 30 seconds it's apparently running normally again. Weird. I was thinking since it's looking for a snapshot object, maybe re-enabling snaptrimming and removing all the snapshots in the pool would remove that object (and the problem)? Never got to that point this time, but I'm going to need to cycle more OSDs in and out of the cluster, so if it happens again I might try that and update.
Thanks! -Steve On 05/17/2017 03:17 PM, Gregory Farnum wrote: > > > On Wed, May 17, 2017 at 10:51 AM Steve Anthony <[email protected] > <mailto:[email protected]>> wrote: > > Hello, > > After starting a backup (create snap, export and import into a second > cluster - one RBD image still exporting/importing as of this message) > the other day while recovery operations on the primary cluster were > ongoing I noticed an OSD (osd.126) start to crash; I reweighted it > to 0 > to prepare to remove it. Shortly thereafter I noticed the problem > seemed > to move to another OSD (osd.223). After looking at the logs, I noticed > they appeared to have the same problem. I'm running Ceph version 9.2.1 > (752b6a3020c3de74e07d2a8b4c5e48dab5a6b6fd) on Debian 8. > > Log for osd.126 from start to crash: https://pastebin.com/y4fn94xe > > Log for osd.223 from start to crash: https://pastebin.com/AE4CYvSA > > > May 15 10:39:55 ceph13 ceph-osd[21506]: -9308> 2017-05-15 > 10:39:51.561342 7f225c385900 -1 osd.126 616621 log_to_monitors > {default=true} > May 15 10:39:55 ceph13 ceph-osd[21506]: 2017-05-15 10:39:55.328897 > 7f2236be3700 -1 osd/ReplicatedPG.cc: In function 'virtual void > ReplicatedPG::on_local_recover(const hobject_t&, const > object_stat_sum_t&, const ObjectRecoveryInfo&, ObjectContextRef, > ObjectStore::Transaction*)' thread 7f2236be3700 time 2017-05-15 > 10:39:55.322306 > May 15 10:39:55 ceph13 ceph-osd[21506]: osd/ReplicatedPG.cc: 192: > FAILED > assert(recovery_info.oi.snaps.size()) > > May 15 16:45:25 ceph19 ceph-osd[30527]: 2017-05-15 16:45:25.343391 > 7ff40f41e900 -1 osd.223 619808 log_to_monitors {default=true} > May 15 16:45:30 ceph19 ceph-osd[30527]: osd/ReplicatedPG.cc: In > function > 'virtual void ReplicatedPG::on_local_recover(const hobject_t&, const > object_stat_sum_t&, const ObjectRecoveryInfo&, ObjectContextRef, > ObjectStore::Transaction*)' thread 7ff3eab63700 time 2017-05-15 > 16:45:30.799839 > May 15 16:45:30 ceph19 ceph-osd[30527]: osd/ReplicatedPG.cc: 192: > FAILED > assert(recovery_info.oi.snaps.size()) > > > I did some searching and thought it might be related to > http://tracker.ceph.com/issues/13837 aka > https://bugzilla.redhat.com/show_bug.cgi?id=1351320 so I disabled > scrubbing and deep-scrubbing, and set osd_pg_max_concurrent_snap_trims > to 0 for all OSDs. No luck. I had changed the systemd service file to > automatically restart osd.223 while recovery was happening, but it > appears to have stalled; I suppose it's needed up for the > remaining objects. > > > Yeah, these aren't really related that I can see — though I haven't > spent much time in this code that I can recall. The OSD is receiving a > "push" as part of log recovery and finds that the object it's > receiving is a snapshot object without having any information about > the snap IDs that exist, which is weird. I don't know of any way a > client could break it either, but maybe David or Jason know something > more. > -Greg > > > > I didn't see anything else online, so I thought I see if anyone > has seen > this before or has any other ideas. Thanks for taking the time. > > -Steve > > > -- > Steve Anthony > LTS HPC Senior Analyst > Lehigh University > [email protected] <mailto:[email protected]> > > > _______________________________________________ > ceph-users mailing list > [email protected] <mailto:[email protected]> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Steve Anthony LTS HPC Senior Analyst Lehigh University [email protected]
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