Also, what version are you running? I think the unfound after repair bug has actually been fixed. -Sam On Mon, Mar 7, 2016 at 1:45 PM, Jeffrey McDonald <jmcdonal@xxxxxxx> wrote: > During the 'recovery' of the first pg mentioned, I see only these messages > on the primary acting OSD: > > 016-03-07 13:51:28.468358 7f385d118700 -1 log_channel(cluster) log [ERR] : > 70.320s0 repair 18 missing, 0 inconsistent objects > 2016-03-07 13:51:28.469431 7f385d118700 -1 log_channel(cluster) log [ERR] : > 70.320 repair 73 errors, 73 fixed > 2016-03-07 15:20:59.677696 7f3863124700 -1 log_channel(cluster) log [ERR] : > 70.320s0 has 18 objects unfound and apparently lost > 2016-03-07 15:21:00.674846 7f3863124700 -1 log_channel(cluster) log [ERR] : > 70.320s0 has 18 objects unfound and apparently lost > 2016-03-07 15:26:04.098284 7f3863124700 -1 log_channel(cluster) log [ERR] : > 70.320s0 has 18 objects unfound and apparently lost > 2016-03-07 15:26:05.094163 7f3863925700 -1 log_channel(cluster) log [ERR] : > 70.320s0 has 18 objects unfound and apparently lost > 2016-03-07 15:26:06.124569 7f3863124700 -1 log_channel(cluster) log [ERR] : > 70.320s0 has 18 objects unfound and apparently lost > 2016-03-07 15:26:07.408175 7f3863124700 -1 log_channel(cluster) log [ERR] : > 70.320s0 has 18 objects unfound and apparently lost > 2016-03-07 15:26:12.446676 7f3863925700 -1 log_channel(cluster) log [ERR] : > 70.320s0 has 18 objects unfound and apparently lost > > Regards, > Jeff > > On Mon, Mar 7, 2016 at 3:36 PM, Jeffrey McDonald <jmcdonal@xxxxxxx> wrote: >> >> Here is a PG which just went inconsistent: >> >> pg 70.459 is active+clean+inconsistent, acting [307,210,273,191,132,450] >> >> Attached is the result of a pg query on this. I will wait for your >> feedback before issuing a repair. >> >> From what I read, the inconsistencies are more likely the result of ntp, >> but all nodes have the local ntp master and all are showing sync. >> >> Regards, >> Jeff >> >> On Mon, Mar 7, 2016 at 3:15 PM, Gregory Farnum <gfarnum@xxxxxxxxxx> wrote: >>> >>> [ Keeping this on the users list. ] >>> >>> Okay, so next time this happens you probably want to do a pg query on >>> the PG which has been reported as dirty. I can't help much beyond >>> that, but hopefully Kefu or David will chime in once there's a little >>> more for them to look at. >>> -Greg >>> >>> On Mon, Mar 7, 2016 at 1:00 PM, Jeffrey McDonald <jmcdonal@xxxxxxx> >>> wrote: >>> > Hi Greg, >>> > >>> > I'm running the ceph version hammer, >>> > ceph version 0.94.5 (9764da52395923e0b32908d83a9f7304401fee43) >>> > >>> > The hardware migration was performed by just setting the crush map to >>> > zero >>> > for the OSD we wanted to retire. The system was performing poorly >>> > with >>> > these older OSDs and we had a difficult time maintaining stability of >>> > the >>> > system. The old OSDs are still there but all of the data is now >>> > migrated >>> > to new and/or existing hardware. >>> > >>> > Thanks, >>> > Jeff >>> > >>> > >>> > >>> > >>> > >>> > On Mon, Mar 7, 2016 at 2:56 PM, Gregory Farnum <gfarnum@xxxxxxxxxx> >>> > wrote: >>> >> >>> >> On Mon, Mar 7, 2016 at 12:07 PM, Jeffrey McDonald <jmcdonal@xxxxxxx> >>> >> wrote: >>> >> > Hi, >>> >> > >>> >> > For a while, we've been seeing inconsistent placement groups on our >>> >> > erasure >>> >> > coded system. The placement groups go from a state of active+clean >>> >> > to >>> >> > active+clean+inconsistent after a deep scrub: >>> >> > >>> >> > >>> >> > 2016-03-07 13:45:42.044131 7f385d118700 -1 log_channel(cluster) log >>> >> > [ERR] : >>> >> > 70.320s0 deep-scrub stat mismatch, got 21446/21428 objects, 0/0 >>> >> > clones, >>> >> > 21446/21428 dirty, 0/0 omap, 0/0 hit_set_archive, 0/0 whiteouts, >>> >> > 64682334170/64624353083 bytes,0/0 hit_set_archive bytes. >>> >> > 2016-03-07 13:45:42.044416 7f385d118700 -1 log_channel(cluster) log >>> >> > [ERR] : >>> >> > 70.320s0 deep-scrub 18 missing, 0 inconsistent objects >>> >> > 2016-03-07 13:45:42.044464 7f385d118700 -1 log_channel(cluster) log >>> >> > [ERR] : >>> >> > 70.320 deep-scrub 73 errors >>> >> > >>> >> > So I tell the placement group to perform a repair: >>> >> > >>> >> > 2016-03-07 13:49:26.047177 7f385d118700 0 log_channel(cluster) log >>> >> > [INF] : >>> >> > 70.320 repair starts >>> >> > 2016-03-07 13:49:57.087291 7f3858b0a700 0 -- 10.31.0.2:6874/13937 >>> >> > >> >>> >> > 10.31.0.6:6824/8127 pipe(0x2e578000 sd=697 :6874 >>> >> > >>> >> > The repair finds missing shards and repairs them, but then I have 18 >>> >> > 'unfound objects' : >>> >> > >>> >> > >>> >> > 2016-03-07 13:51:28.467590 7f385d118700 -1 log_channel(cluster) log >>> >> > [ERR] : >>> >> > 70.320s0 repair stat mismatch, got 21446/21428 objects, 0/0 clones, >>> >> > 21446/21428 dirty, 0/0 omap, 0/0 hit_set_archive, 0/0 whiteouts, >>> >> > 64682334170/64624353083 bytes,0/0 hit_set_archive bytes. >>> >> > 2016-03-07 13:51:28.468358 7f385d118700 -1 log_channel(cluster) log >>> >> > [ERR] : >>> >> > 70.320s0 repair 18 missing, 0 inconsistent objects >>> >> > 2016-03-07 13:51:28.469431 7f385d118700 -1 log_channel(cluster) log >>> >> > [ERR] : >>> >> > 70.320 repair 73 errors, 73 fixed >>> >> > >>> >> > >>> >> > I've traced one of the unfound objects all the way through the >>> >> > system >>> >> > and >>> >> > I've found that they are not really lost. I can fail over the osd >>> >> > and >>> >> > recover the files. This is happening quite regularly now after a >>> >> > large >>> >> > migration of data from old hardware to new(migration is now >>> >> > complete). >>> >> > >>> >> > The system sets the PG into 'recovery', but we've seen the system in >>> >> > a >>> >> > recovering state for many days. Should we just be patient or do >>> >> > we >>> >> > need >>> >> > to dig further into the issue? >>> >> >>> >> You may need to dig into this more, although I'm not sure what the >>> >> issue is likely to be. What version of Ceph are you running? How did >>> >> you do this hardware migration? >>> >> -Greg >>> >> >>> >> > >>> >> > >>> >> > pg 70.320 is stuck unclean for 704.803040, current state >>> >> > active+recovering, >>> >> > last acting [277,101,218,49,304,412] >>> >> > pg 70.320 is active+recovering, acting [277,101,218,49,304,412], 18 >>> >> > unfound >>> >> > >>> >> > There is no indication of any problems with down OSDs or network >>> >> > issues >>> >> > with >>> >> > OSDs. >>> >> > >>> >> > Thanks, >>> >> > Jeff >>> >> > >>> >> > >>> >> > -- >>> >> > >>> >> > Jeffrey McDonald, PhD >>> >> > Assistant Director for HPC Operations >>> >> > Minnesota Supercomputing Institute >>> >> > University of Minnesota Twin Cities >>> >> > 599 Walter Library email: jeffrey.mcdonald@xxxxxxxxxxx >>> >> > 117 Pleasant St SE phone: +1 612 625-6905 >>> >> > Minneapolis, MN 55455 fax: +1 612 624-8861 >>> >> > >>> >> > >>> >> > >>> >> > _______________________________________________ >>> >> > ceph-users mailing list >>> >> > ceph-users@xxxxxxxxxxxxxx >>> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> > >>> > >>> > >>> > >>> > >>> > -- >>> > >>> > Jeffrey McDonald, PhD >>> > Assistant Director for HPC Operations >>> > Minnesota Supercomputing Institute >>> > University of Minnesota Twin Cities >>> > 599 Walter Library email: jeffrey.mcdonald@xxxxxxxxxxx >>> > 117 Pleasant St SE phone: +1 612 625-6905 >>> > Minneapolis, MN 55455 fax: +1 612 624-8861 >>> > >>> > >> >> >> >> >> -- >> >> Jeffrey McDonald, PhD >> Assistant Director for HPC Operations >> Minnesota Supercomputing Institute >> University of Minnesota Twin Cities >> 599 Walter Library email: jeffrey.mcdonald@xxxxxxxxxxx >> 117 Pleasant St SE phone: +1 612 625-6905 >> Minneapolis, MN 55455 fax: +1 612 624-8861 >> >> > > > > -- > > Jeffrey McDonald, PhD > Assistant Director for HPC Operations > Minnesota Supercomputing Institute > University of Minnesota Twin Cities > 599 Walter Library email: jeffrey.mcdonald@xxxxxxxxxxx > 117 Pleasant St SE phone: +1 612 625-6905 > Minneapolis, MN 55455 fax: +1 612 624-8861 > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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