On the plus side, I think I figured out http://tracker.ceph.com/issues/14766. -Sam
On Mon, Mar 7, 2016 at 4:52 PM, Samuel Just <sj...@redhat.com> wrote: > Hmm, I'll look into this a bit more tomorrow. Can you get the tree > structure of the 70.459 pg directory on osd.307 (find . will do fine). > -Sam > > On Mon, Mar 7, 2016 at 4:50 PM, Jeffrey McDonald <jmcdo...@umn.edu> wrote: >> 307 is on ceph03. >> Jeff >> >> On Mon, Mar 7, 2016 at 6:48 PM, Samuel Just <sj...@redhat.com> wrote: >>> >>> Which node is osd.307 on? >>> -Sam >>> >>> On Mon, Mar 7, 2016 at 4:43 PM, Samuel Just <sj...@redhat.com> wrote: >>> > ' I didn't see the errors in the tracker on the new nodes, but they >>> > were only receiving new data, not migrating it.' -- What do you mean >>> > by that? >>> > -Sam >>> > >>> > On Mon, Mar 7, 2016 at 4:42 PM, Jeffrey McDonald <jmcdo...@umn.edu> >>> > wrote: >>> >> The filesystem is xfs everywhere, there are nine hosts. The two new >>> >> ceph >>> >> nodes 08, 09 have a new kernel. I didn't see the errors in the >>> >> tracker on >>> >> the new nodes, but they were only receiving new data, not migrating it. >>> >> Jeff >>> >> >>> >> ceph2: Linux ceph2 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 22:08:27 >>> >> UTC >>> >> 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph1: Linux ceph1 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 22:08:27 >>> >> UTC >>> >> 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph3: Linux ceph3 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 22:08:27 >>> >> UTC >>> >> 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph03: Linux ceph03 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 >>> >> 22:08:27 >>> >> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph01: Linux ceph01 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 >>> >> 22:08:27 >>> >> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph02: Linux ceph02 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 >>> >> 22:08:27 >>> >> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph06: Linux ceph06 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 >>> >> 22:08:27 >>> >> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph05: Linux ceph05 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 >>> >> 22:08:27 >>> >> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph04: Linux ceph04 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 >>> >> 22:08:27 >>> >> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph08: Linux ceph08 3.19.0-51-generic #58~14.04.1-Ubuntu SMP Fri Feb >>> >> 26 >>> >> 22:02:58 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph07: Linux ceph07 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 >>> >> 22:08:27 >>> >> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >>> >> ceph09: Linux ceph09 3.19.0-51-generic #58~14.04.1-Ubuntu SMP Fri Feb >>> >> 26 >>> >> 22:02:58 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux >>> >> >>> >> >>> >> On Mon, Mar 7, 2016 at 6:39 PM, Samuel Just <sj...@redhat.com> wrote: >>> >>> >>> >>> What filesystem and kernel are you running on the osds? This (and >>> >>> your other bug, actually) could be explained by some kind of weird >>> >>> kernel readdir behavior. >>> >>> -Sam >>> >>> >>> >>> On Mon, Mar 7, 2016 at 4:36 PM, Samuel Just <sj...@redhat.com> wrote: >>> >>> > Hmm, so much for that theory, still looking. If you can produce >>> >>> > another set of logs (as before) from scrubbing that pg, it might >>> >>> > help. >>> >>> > -Sam >>> >>> > >>> >>> > On Mon, Mar 7, 2016 at 4:34 PM, Jeffrey McDonald <jmcdo...@umn.edu> >>> >>> > wrote: >>> >>> >> they're all the same.....see attached. >>> >>> >> >>> >>> >> On Mon, Mar 7, 2016 at 6:31 PM, Samuel Just <sj...@redhat.com> >>> >>> >> wrote: >>> >>> >>> >>> >>> >>> Have you confirmed the versions? >>> >>> >>> -Sam >>> >>> >>> >>> >>> >>> On Mon, Mar 7, 2016 at 4:29 PM, Jeffrey McDonald >>> >>> >>> <jmcdo...@umn.edu> >>> >>> >>> wrote: >>> >>> >>> > I have one other very strange event happening, I've opened a >>> >>> >>> > ticket >>> >>> >>> > on >>> >>> >>> > it: >>> >>> >>> > http://tracker.ceph.com/issues/14766 >>> >>> >>> > >>> >>> >>> > During this migration, OSD failed probably over 400 times while >>> >>> >>> > moving >>> >>> >>> > data >>> >>> >>> > around. We move the empty directories and restarted the OSDs. >>> >>> >>> > I >>> >>> >>> > can't >>> >>> >>> > say if this is related--I have no reason to suspect it is. >>> >>> >>> > >>> >>> >>> > Jeff >>> >>> >>> > >>> >>> >>> > On Mon, Mar 7, 2016 at 5:31 PM, Shinobu Kinjo >>> >>> >>> > <shinobu...@gmail.com> >>> >>> >>> > wrote: >>> >>> >>> >> >>> >>> >>> >> What could cause this kind of unexpected behaviour? >>> >>> >>> >> Any assumption?? >>> >>> >>> >> Sorry for interrupting you. >>> >>> >>> >> >>> >>> >>> >> Cheers, >>> >>> >>> >> S >>> >>> >>> >> >>> >>> >>> >> On Tue, Mar 8, 2016 at 8:19 AM, Samuel Just <sj...@redhat.com> >>> >>> >>> >> wrote: >>> >>> >>> >> > Hmm, at the end of the log, the pg is still inconsistent. >>> >>> >>> >> > Can >>> >>> >>> >> > you >>> >>> >>> >> > attach a ceph pg query on that pg? >>> >>> >>> >> > -Sam >>> >>> >>> >> > >>> >>> >>> >> > On Mon, Mar 7, 2016 at 3:05 PM, Samuel Just >>> >>> >>> >> > <sj...@redhat.com> >>> >>> >>> >> > wrote: >>> >>> >>> >> >> If so, that strongly suggests that the pg was actually never >>> >>> >>> >> >> inconsistent in the first place and that the bug is in scrub >>> >>> >>> >> >> itself >>> >>> >>> >> >> presumably getting confused about an object during a write. >>> >>> >>> >> >> The >>> >>> >>> >> >> next >>> >>> >>> >> >> step would be to get logs like the above from a pg as it >>> >>> >>> >> >> scrubs >>> >>> >>> >> >> transitioning from clean to inconsistent. If it's really a >>> >>> >>> >> >> race >>> >>> >>> >> >> between scrub and a write, it's probably just >>> >>> >>> >> >> non-deterministic, >>> >>> >>> >> >> you >>> >>> >>> >> >> could set logging on a set of osds and continuously scrub >>> >>> >>> >> >> any >>> >>> >>> >> >> pgs >>> >>> >>> >> >> which only map to those osds until you reproduce the >>> >>> >>> >> >> problem. >>> >>> >>> >> >> -Sam >>> >>> >>> >> >> >>> >>> >>> >> >> On Mon, Mar 7, 2016 at 2:44 PM, Samuel Just >>> >>> >>> >> >> <sj...@redhat.com> >>> >>> >>> >> >> wrote: >>> >>> >>> >> >>> So after the scrub, it came up clean? The >>> >>> >>> >> >>> inconsistent/missing >>> >>> >>> >> >>> objects reappeared? >>> >>> >>> >> >>> -Sam >>> >>> >>> >> >>> >>> >>> >>> >> >>> On Mon, Mar 7, 2016 at 2:33 PM, Jeffrey McDonald >>> >>> >>> >> >>> <jmcdo...@umn.edu> >>> >>> >>> >> >>> wrote: >>> >>> >>> >> >>>> Hi Sam, >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> I've done as you requested: >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> pg 70.459 is active+clean+inconsistent, acting >>> >>> >>> >> >>>> [307,210,273,191,132,450] >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> # for i in 307 210 273 191 132 450 ; do >>> >>> >>> >> >>>>> ceph tell osd.$i injectargs '--debug-osd 20 >>> >>> >>> >> >>>>> --debug-filestore 20 >>> >>> >>> >> >>>>> --debug-ms 1' >>> >>> >>> >> >>>>> done >>> >>> >>> >> >>>> debug_osd=20/20 debug_filestore=20/20 debug_ms=1/1 >>> >>> >>> >> >>>> debug_osd=20/20 debug_filestore=20/20 debug_ms=1/1 >>> >>> >>> >> >>>> debug_osd=20/20 debug_filestore=20/20 debug_ms=1/1 >>> >>> >>> >> >>>> debug_osd=20/20 debug_filestore=20/20 debug_ms=1/1 >>> >>> >>> >> >>>> debug_osd=20/20 debug_filestore=20/20 debug_ms=1/1 >>> >>> >>> >> >>>> debug_osd=20/20 debug_filestore=20/20 debug_ms=1/1 >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> # date >>> >>> >>> >> >>>> Mon Mar 7 16:03:38 CST 2016 >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> # ceph pg deep-scrub 70.459 >>> >>> >>> >> >>>> instructing pg 70.459 on osd.307 to deep-scrub >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> Scrub finished around >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> # date >>> >>> >>> >> >>>> Mon Mar 7 16:13:03 CST 2016 >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> I've tar'd+gziped the files which can be downloaded from >>> >>> >>> >> >>>> here. >>> >>> >>> >> >>>> The >>> >>> >>> >> >>>> logs >>> >>> >>> >> >>>> start a minute or two after today at 16:00. >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> https://drive.google.com/folderview?id=0Bzz8TrxFvfema2NQUmotd1BOTnM&usp=sharing >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> Oddly(to me anyways), this pg is now active+clean: >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> # ceph pg dump | grep 70.459 >>> >>> >>> >> >>>> dumped all in format plain >>> >>> >>> >> >>>> 70.459 21377 0 0 0 0 64515446306 3088 3088 active+clean >>> >>> >>> >> >>>> 2016-03-07 >>> >>> >>> >> >>>> 16:26:57.796537 279563'212832 279602:628151 >>> >>> >>> >> >>>> [307,210,273,191,132,450] >>> >>> >>> >> >>>> 307 >>> >>> >>> >> >>>> [307,210,273,191,132,450] 307 279563'212832 2016-03-07 >>> >>> >>> >> >>>> 16:12:30.741984 >>> >>> >>> >> >>>> 279563'212832 2016-03-07 16:12:30.741984 >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> Regards, >>> >>> >>> >> >>>> Jeff >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> On Mon, Mar 7, 2016 at 4:11 PM, Samuel Just >>> >>> >>> >> >>>> <sj...@redhat.com> >>> >>> >>> >> >>>> wrote: >>> >>> >>> >> >>>>> >>> >>> >>> >> >>>>> I think the unfound object on repair is fixed by >>> >>> >>> >> >>>>> d51806f5b330d5f112281fbb95ea6addf994324e (not in hammer >>> >>> >>> >> >>>>> yet). >>> >>> >>> >> >>>>> I >>> >>> >>> >> >>>>> opened http://tracker.ceph.com/issues/15002 for the >>> >>> >>> >> >>>>> backport >>> >>> >>> >> >>>>> and >>> >>> >>> >> >>>>> to >>> >>> >>> >> >>>>> make sure it's covered in ceph-qa-suite. No idea at this >>> >>> >>> >> >>>>> time >>> >>> >>> >> >>>>> why >>> >>> >>> >> >>>>> the >>> >>> >>> >> >>>>> objects are disappearing though. >>> >>> >>> >> >>>>> -Sam >>> >>> >>> >> >>>>> >>> >>> >>> >> >>>>> On Mon, Mar 7, 2016 at 1:57 PM, Samuel Just >>> >>> >>> >> >>>>> <sj...@redhat.com> >>> >>> >>> >> >>>>> wrote: >>> >>> >>> >> >>>>> > The one just scrubbed and now inconsistent. >>> >>> >>> >> >>>>> > -Sam >>> >>> >>> >> >>>>> > >>> >>> >>> >> >>>>> > On Mon, Mar 7, 2016 at 1:57 PM, Jeffrey McDonald >>> >>> >>> >> >>>>> > <jmcdo...@umn.edu> >>> >>> >>> >> >>>>> > wrote: >>> >>> >>> >> >>>>> >> Do you want me to enable this for the pg already with >>> >>> >>> >> >>>>> >> unfound >>> >>> >>> >> >>>>> >> objects >>> >>> >>> >> >>>>> >> or the >>> >>> >>> >> >>>>> >> placement group just scrubbed and now inconsistent? >>> >>> >>> >> >>>>> >> Jeff >>> >>> >>> >> >>>>> >> >>> >>> >>> >> >>>>> >> On Mon, Mar 7, 2016 at 3:54 PM, Samuel Just >>> >>> >>> >> >>>>> >> <sj...@redhat.com> >>> >>> >>> >> >>>>> >> wrote: >>> >>> >>> >> >>>>> >>> >>> >>> >>> >> >>>>> >>> Can you enable >>> >>> >>> >> >>>>> >>> >>> >>> >>> >> >>>>> >>> debug osd = 20 >>> >>> >>> >> >>>>> >>> debug filestore = 20 >>> >>> >>> >> >>>>> >>> debug ms = 1 >>> >>> >>> >> >>>>> >>> >>> >>> >>> >> >>>>> >>> on all osds in that PG, rescrub, and convey to us the >>> >>> >>> >> >>>>> >>> resulting >>> >>> >>> >> >>>>> >>> logs? >>> >>> >>> >> >>>>> >>> -Sam >>> >>> >>> >> >>>>> >>> >>> >>> >>> >> >>>>> >>> On Mon, Mar 7, 2016 at 1:36 PM, Jeffrey McDonald >>> >>> >>> >> >>>>> >>> <jmcdo...@umn.edu> >>> >>> >>> >> >>>>> >>> 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 >>> >>> >>> >> >>>>> >>> > <gfar...@redhat.com> >>> >>> >>> >> >>>>> >>> > 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 >>> >>> >>> >> >>>>> >>> >> <jmcdo...@umn.edu> >>> >>> >>> >> >>>>> >>> >> 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 >>> >>> >>> >> >>>>> >>> >> > <gfar...@redhat.com> >>> >>> >>> >> >>>>> >>> >> > wrote: >>> >>> >>> >> >>>>> >>> >> >> >>> >>> >>> >> >>>>> >>> >> >> On Mon, Mar 7, 2016 at 12:07 PM, Jeffrey >>> >>> >>> >> >>>>> >>> >> >> McDonald >>> >>> >>> >> >>>>> >>> >> >> <jmcdo...@umn.edu> >>> >>> >>> >> >>>>> >>> >> >> 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.mcdon...@msi.umn.edu >>> >>> >>> >> >>>>> >>> >> >> > 117 Pleasant St SE phone: +1 612 >>> >>> >>> >> >>>>> >>> >> >> > 625-6905 >>> >>> >>> >> >>>>> >>> >> >> > Minneapolis, MN 55455 fax: +1 612 >>> >>> >>> >> >>>>> >>> >> >> > 624-8861 >>> >>> >>> >> >>>>> >>> >> >> > >>> >>> >>> >> >>>>> >>> >> >> > >>> >>> >>> >> >>>>> >>> >> >> > >>> >>> >>> >> >>>>> >>> >> >> > >>> >>> >>> >> >>>>> >>> >> >> > _______________________________________________ >>> >>> >>> >> >>>>> >>> >> >> > ceph-users mailing list >>> >>> >>> >> >>>>> >>> >> >> > ceph-users@lists.ceph.com >>> >>> >>> >> >>>>> >>> >> >> > >>> >>> >>> >> >>>>> >>> >> >> > >>> >>> >>> >> >>>>> >>> >> >> > >>> >>> >>> >> >>>>> >>> >> >> > 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.mcdon...@msi.umn.edu >>> >>> >>> >> >>>>> >>> >> > 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.mcdon...@msi.umn.edu >>> >>> >>> >> >>>>> >>> > 117 Pleasant St SE phone: +1 612 625-6905 >>> >>> >>> >> >>>>> >>> > Minneapolis, MN 55455 fax: +1 612 624-8861 >>> >>> >>> >> >>>>> >>> > >>> >>> >>> >> >>>>> >>> > >>> >>> >>> >> >>>>> >>> > >>> >>> >>> >> >>>>> >>> > _______________________________________________ >>> >>> >>> >> >>>>> >>> > ceph-users mailing list >>> >>> >>> >> >>>>> >>> > ceph-users@lists.ceph.com >>> >>> >>> >> >>>>> >>> > >>> >>> >>> >> >>>>> >>> > 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.mcdon...@msi.umn.edu >>> >>> >>> >> >>>>> >> 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.mcdon...@msi.umn.edu >>> >>> >>> >> >>>> 117 Pleasant St SE phone: +1 612 625-6905 >>> >>> >>> >> >>>> Minneapolis, MN 55455 fax: +1 612 624-8861 >>> >>> >>> >> >>>> >>> >>> >>> >> >>>> >>> >>> >>> >> > _______________________________________________ >>> >>> >>> >> > ceph-users mailing list >>> >>> >>> >> > ceph-users@lists.ceph.com >>> >>> >>> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >>> >>> >> >>> >>> >>> >> >>> >>> >>> >> >>> >>> >>> >> -- >>> >>> >>> >> Email: >>> >>> >>> >> shin...@linux.com >>> >>> >>> >> GitHub: >>> >>> >>> >> shinobu-x >>> >>> >>> >> Blog: >>> >>> >>> >> Life with Distributed Computational System based on OpenSource >>> >>> >>> > >>> >>> >>> > >>> >>> >>> > >>> >>> >>> > >>> >>> >>> > -- >>> >>> >>> > >>> >>> >>> > Jeffrey McDonald, PhD >>> >>> >>> > Assistant Director for HPC Operations >>> >>> >>> > Minnesota Supercomputing Institute >>> >>> >>> > University of Minnesota Twin Cities >>> >>> >>> > 599 Walter Library email: jeffrey.mcdon...@msi.umn.edu >>> >>> >>> > 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.mcdon...@msi.umn.edu >>> >>> >> 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.mcdon...@msi.umn.edu >>> >> 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.mcdon...@msi.umn.edu >> 117 Pleasant St SE phone: +1 612 625-6905 >> Minneapolis, MN 55455 fax: +1 612 624-8861 >> >> _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com