Just one question: why when ceph has some incomplete pgs it refuses to do I/o on good pgs?
Il giorno mer 29 giu 2016 alle ore 12:55 Oliver Dzombic < i...@ip-interactive.de> ha scritto: > Hi, > > again: > > You >must< check all your logs ( as fucky as it is for sure ). > > Means on the ceph nodes in /var/log/ceph/* > > And go back to the time where things went down the hill. > > There must be something else going on, beyond normal osd crash. > > And your manual pg repair/pg remove/pg set complete is, most probably, > just getting your situation worst. > > So really, if you want to have a chance to find out whats going on, you > must check all the logs. Especially the OSD logs, especially the OSD log > of the OSD you removed, and then the OSD logs of those pg, which are > incomplete/stuck/what_ever_not_good. > > -- > Mit freundlichen Gruessen / Best regards > > Oliver Dzombic > IP-Interactive > > mailto:i...@ip-interactive.de > > Anschrift: > > IP Interactive UG ( haftungsbeschraenkt ) > Zum Sonnenberg 1-3 > 63571 Gelnhausen > > HRB 93402 beim Amtsgericht Hanau > Geschäftsführung: Oliver Dzombic > > Steuer Nr.: 35 236 3622 1 > UST ID: DE274086107 > > > Am 29.06.2016 um 12:33 schrieb Mario Giammarco: > > Thanks, > > I can put in osds but the do not stay in, and I am pretty sure that are > > not broken. > > > > Il giorno mer 29 giu 2016 alle ore 12:07 Oliver Dzombic > > <i...@ip-interactive.de <mailto:i...@ip-interactive.de>> ha scritto: > > > > hi, > > > > ceph osd set noscrub > > ceph osd set nodeep-scrub > > > > ceph osd in <id> > > > > > > -- > > Mit freundlichen Gruessen / Best regards > > > > Oliver Dzombic > > IP-Interactive > > > > mailto:i...@ip-interactive.de <mailto:i...@ip-interactive.de> > > > > Anschrift: > > > > IP Interactive UG ( haftungsbeschraenkt ) > > Zum Sonnenberg 1-3 > > 63571 Gelnhausen > > > > HRB 93402 beim Amtsgericht Hanau > > Geschäftsführung: Oliver Dzombic > > > > Steuer Nr.: 35 236 3622 1 > > UST ID: DE274086107 > > > > > > Am 29.06.2016 um 12:00 schrieb Mario Giammarco: > > > Now the problem is that ceph has put out two disks because scrub > has > > > failed (I think it is not a disk fault but due to mark-complete) > > > How can I: > > > - disable scrub > > > - put in again the two disks > > > > > > I will wait anyway the end of recovery to be sure it really works > > again > > > > > > Il giorno mer 29 giu 2016 alle ore 11:16 Mario Giammarco > > > <mgiamma...@gmail.com <mailto:mgiamma...@gmail.com> > > <mailto:mgiamma...@gmail.com <mailto:mgiamma...@gmail.com>>> ha > scritto: > > > > > > Infact I am worried because: > > > > > > 1) ceph is under proxmox, and proxmox may decide to reboot a > > server > > > if it is not responding > > > 2) probably a server was rebooted while ceph was reconstructing > > > 3) even using max=3 do not help > > > > > > Anyway this is the "unofficial" procedure that I am using, much > > > simpler than blog post: > > > > > > 1) find host where is pg > > > 2) stop ceph in that host > > > 3) ceph-objectstore-tool --pgid 1.98 --op mark-complete > > --data-path > > > /var/lib/ceph/osd/ceph-9 --journal-path > > > /var/lib/ceph/osd/ceph-9/journal > > > 4) start ceph > > > 5) look finally it reconstructing > > > > > > Il giorno mer 29 giu 2016 alle ore 11:11 Oliver Dzombic > > > <i...@ip-interactive.de <mailto:i...@ip-interactive.de> > > <mailto:i...@ip-interactive.de <mailto:i...@ip-interactive.de>>> ha > > scritto: > > > > > > Hi, > > > > > > removing ONE disk while your replication is 2, is no > problem. > > > > > > You dont need to wait a single second to replace of remove > > it. Its > > > anyway not used and out/down. So from ceph's point of view > its > > > not existent. > > > > > > ---------------- > > > > > > But as christian told you already, what we see now fits to > a > > > szenario > > > where you lost the osd and eighter you did something, or > > > something else > > > happens, but the data were not recovered again. > > > > > > Eighter because another OSD was broken, or because you did > > > something. > > > > > > Maybe, because of the "too many PGs per OSD (307 > max > 300)" > > > ceph never > > > recovered. > > > > > > What i can see from http://pastebin.com/VZD7j2vN is that > > > > > > OSD 5,13,9,0,6,2,3 and maybe others, are the OSD's holding > the > > > incomplete data. > > > > > > This are 7 OSD's from 10. So something happend to that > > OSD's or > > > the data > > > in them. And that had nothing to do with a single disk > > failing. > > > > > > Something else must have been happend. > > > > > > And as christian already wrote: you will have to go > > through your > > > logs > > > back until the point were things going down. > > > > > > Because a fail of a single OSD, no matter what your > > replication > > > size is, > > > can ( normally ) not harm the consistency of 7 other OSD's, > > > means 70% of > > > your total cluster. > > > > > > -- > > > Mit freundlichen Gruessen / Best regards > > > > > > Oliver Dzombic > > > IP-Interactive > > > > > > mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de> <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de>> > > > > > > Anschrift: > > > > > > IP Interactive UG ( haftungsbeschraenkt ) > > > Zum Sonnenberg 1-3 > > > 63571 Gelnhausen > > > > > > HRB 93402 beim Amtsgericht Hanau > > > Geschäftsführung: Oliver Dzombic > > > > > > Steuer Nr.: 35 236 3622 1 > > > UST ID: DE274086107 > > > > > > > > > Am 29.06.2016 um 10:56 schrieb Mario Giammarco: > > > > Yes I have removed it from crush because it was broken. > > I have > > > waited 24 > > > > hours to see if cephs would like to heals itself. Then I > > > removed the > > > > disk completely (it was broken...) and I waited 24 hours > > > again. Then I > > > > start getting worried. > > > > Are you saying to me that I should not remove a broken > > disk from > > > > cluster? 24 hours were not enough? > > > > > > > > Il giorno mer 29 giu 2016 alle ore 10:53 Zoltan Arnold > Nagy > > > > <zol...@linux.vnet.ibm.com > > <mailto:zol...@linux.vnet.ibm.com> <mailto:zol...@linux.vnet.ibm.com > > <mailto:zol...@linux.vnet.ibm.com>> > > > <mailto:zol...@linux.vnet.ibm.com > > <mailto:zol...@linux.vnet.ibm.com> > > > <mailto:zol...@linux.vnet.ibm.com > > <mailto:zol...@linux.vnet.ibm.com>>>> ha scritto: > > > > > > > > Just loosing one disk doesn’t automagically delete > > it from > > > CRUSH, > > > > but in the output you had 10 disks listed, so there > > must be > > > > something else going - did you delete the disk from > the > > > crush map as > > > > well? > > > > > > > > Ceph waits by default 300 secs AFAIK to mark an OSD > out > > > after it > > > > will start to recover. > > > > > > > > > > > >> On 29 Jun 2016, at 10:42, Mario Giammarco > > > <mgiamma...@gmail.com <mailto:mgiamma...@gmail.com> > > <mailto:mgiamma...@gmail.com <mailto:mgiamma...@gmail.com>> > > > >> <mailto:mgiamma...@gmail.com > > <mailto:mgiamma...@gmail.com> > > > <mailto:mgiamma...@gmail.com > > <mailto:mgiamma...@gmail.com>>>> wrote: > > > >> > > > >> I thank you for your reply so I can add my > experience: > > > >> > > > >> 1) the other time this thing happened to me I had a > > > cluster with > > > >> min_size=2 and size=3 and the problem was the same. > > That > > > time I > > > >> put min_size=1 to recover the pool but it did not > help. > > > So I do > > > >> not understand where is the advantage to put three > > copies > > > when > > > >> ceph can decide to discard all three. > > > >> 2) I started with 11 hdds. The hard disk failed. > > Ceph waited > > > >> forever for hard disk coming back. But hard disk is > > really > > > >> completelly broken so I have followed the procedure > > to really > > > >> delete from cluster. Anyway ceph did not recover. > > > >> 3) I have 307 pgs more than 300 but it is due to > > the fact > > > that I > > > >> had 11 hdds now only 10. I will add more hdds after > I > > > repair the pool > > > >> 4) I have reduced the monitors to 3 > > > >> > > > >> > > > >> > > > >> Il giorno mer 29 giu 2016 alle ore 10:25 Christian > > Balzer > > > >> <ch...@gol.com <mailto:ch...@gol.com> > > <mailto:ch...@gol.com <mailto:ch...@gol.com>> > > > <mailto:ch...@gol.com <mailto:ch...@gol.com> > > <mailto:ch...@gol.com <mailto:ch...@gol.com>>>> ha scritto: > > > >> > > > >> > > > >> Hello, > > > >> > > > >> On Wed, 29 Jun 2016 06:02:59 +0000 Mario > > Giammarco wrote: > > > >> > > > >> > pool 0 'rbd' replicated size 2 min_size 1 > > > crush_ruleset 0 > > > >> object_hash > > > >> ^ > > > >> And that's the root cause of all your woes. > > > >> The default replication size is 3 for a reason > and > > > while I do > > > >> run pools > > > >> with replication of 2 they are either HDD RAIDs > or > > > extremely > > > >> trustworthy > > > >> and well monitored SSD. > > > >> > > > >> That said, something more than a single HDD > failure > > > must have > > > >> happened > > > >> here, you should check the logs and backtrace > > all the > > > step you > > > >> did after > > > >> that OSD failed. > > > >> > > > >> You said there were 11 HDDs and your first ceph > -s > > > output showed: > > > >> --- > > > >> osdmap e10182: 10 osds: 10 up, 10 in > > > >> ---- > > > >> And your crush map states the same. > > > >> > > > >> So how and WHEN did you remove that OSD? > > > >> My suspicion would be it was removed before > > recovery > > > was complete. > > > >> > > > >> Also, as I think was mentioned before, 7 mons > are > > > overkill 3-5 > > > >> would be a > > > >> saner number. > > > >> > > > >> Christian > > > >> > > > >> > rjenkins pg_num 512 pgp_num 512 last_change > > 9313 flags > > > >> hashpspool > > > >> > stripe_width 0 > > > >> > removed_snaps [1~3] > > > >> > pool 1 'rbd2' replicated size 2 min_size 1 > > > crush_ruleset 0 > > > >> object_hash > > > >> > rjenkins pg_num 512 pgp_num 512 last_change > > 9314 flags > > > >> hashpspool > > > >> > stripe_width 0 > > > >> > removed_snaps [1~3] > > > >> > pool 2 'rbd3' replicated size 2 min_size 1 > > > crush_ruleset 0 > > > >> object_hash > > > >> > rjenkins pg_num 512 pgp_num 512 last_change > > 10537 flags > > > >> hashpspool > > > >> > stripe_width 0 > > > >> > removed_snaps [1~3] > > > >> > > > > >> > > > > >> > ID WEIGHT REWEIGHT SIZE USE AVAIL %USE > VAR > > > >> > 5 1.81000 1.00000 1857G 984G 872G 53.00 > 0.86 > > > >> > 6 1.81000 1.00000 1857G 1202G 655G 64.73 > 1.05 > > > >> > 2 1.81000 1.00000 1857G 1158G 698G 62.38 > 1.01 > > > >> > 3 1.35999 1.00000 1391G 906G 485G 65.12 > 1.06 > > > >> > 4 0.89999 1.00000 926G 702G 223G 75.88 > 1.23 > > > >> > 7 1.81000 1.00000 1857G 1063G 793G 57.27 > 0.93 > > > >> > 8 1.81000 1.00000 1857G 1011G 846G 54.44 > 0.88 > > > >> > 9 0.89999 1.00000 926G 573G 352G 61.91 > 1.01 > > > >> > 0 1.81000 1.00000 1857G 1227G 629G 66.10 > 1.07 > > > >> > 13 0.45000 1.00000 460G 307G 153G 66.74 > 1.08 > > > >> > TOTAL 14846G 9136G 5710G 61.54 > > > >> > MIN/MAX VAR: 0.86/1.23 STDDEV: 6.47 > > > >> > > > > >> > > > > >> > > > > >> > ceph version 0.94.7 > > > (d56bdf93ced6b80b07397d57e3fa68fe68304432) > > > >> > > > > >> > http://pastebin.com/SvGfcSHb > > > >> > http://pastebin.com/gYFatsNS > > > >> > http://pastebin.com/VZD7j2vN > > > >> > > > > >> > I do not understand why I/O on ENTIRE cluster > is > > > blocked > > > >> when only few > > > >> > pgs are incomplete. > > > >> > > > > >> > Many thanks, > > > >> > Mario > > > >> > > > > >> > > > > >> > Il giorno mar 28 giu 2016 alle ore 19:34 > Stefan > > > Priebe - > > > >> Profihost AG < > > > >> > s.pri...@profihost.ag > > <mailto:s.pri...@profihost.ag> > > > <mailto:s.pri...@profihost.ag > > <mailto:s.pri...@profihost.ag>> <mailto:s.pri...@profihost.ag > > <mailto:s.pri...@profihost.ag> > > > <mailto:s.pri...@profihost.ag > > <mailto:s.pri...@profihost.ag>>>> ha > > > >> scritto: > > > >> > > > > >> > > And ceph health detail > > > >> > > > > > >> > > Stefan > > > >> > > > > > >> > > Excuse my typo sent from my mobile phone. > > > >> > > > > > >> > > Am 28.06.2016 um 19:28 schrieb Oliver > Dzombic > > > >> <i...@ip-interactive.de > > <mailto:i...@ip-interactive.de> > > > <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de>> <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de> > > > <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de>>>>: > > > >> > > > > > >> > > Hi Mario, > > > >> > > > > > >> > > please give some more details: > > > >> > > > > > >> > > Please the output of: > > > >> > > > > > >> > > ceph osd pool ls detail > > > >> > > ceph osd df > > > >> > > ceph --version > > > >> > > > > > >> > > ceph -w for 10 seconds ( use > > http://pastebin.com/ > > > please ) > > > >> > > > > > >> > > ceph osd crush dump ( also pastebin pls ) > > > >> > > > > > >> > > -- > > > >> > > Mit freundlichen Gruessen / Best regards > > > >> > > > > > >> > > Oliver Dzombic > > > >> > > IP-Interactive > > > >> > > > > > >> > > mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de> > > > <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de>> > > > >> <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de> > > > <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de>>> <i...@ip-interactive.de > > <mailto:i...@ip-interactive.de> > > > <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de>> > > > >> <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de> > > > <mailto:i...@ip-interactive.de > > <mailto:i...@ip-interactive.de>>>> > > > >> > > > > > >> > > Anschrift: > > > >> > > > > > >> > > IP Interactive UG ( haftungsbeschraenkt ) > > > >> > > Zum Sonnenberg 1-3 > > > >> > > 63571 Gelnhausen > > > >> > > > > > >> > > HRB 93402 beim Amtsgericht Hanau > > > >> > > Geschäftsführung: Oliver Dzombic > > > >> > > > > > >> > > Steuer Nr.: 35 236 3622 1 > > > >> > > UST ID: DE274086107 > > > >> > > > > > >> > > > > > >> > > Am 28.06.2016 um 18:59 schrieb Mario > Giammarco: > > > >> > > > > > >> > > Hello, > > > >> > > > > > >> > > this is the second time that happens to me, > I > > > hope that > > > >> someone can > > > >> > > > > > >> > > explain what I can do. > > > >> > > > > > >> > > Proxmox ceph cluster with 8 servers, 11 hdd. > > > Min_size=1, > > > >> size=2. > > > >> > > > > > >> > > > > > >> > > One hdd goes down due to bad sectors. > > > >> > > > > > >> > > Ceph recovers but it ends with: > > > >> > > > > > >> > > > > > >> > > cluster f2a8dd7d-949a-4a29-acab-11d4900249f4 > > > >> > > > > > >> > > health HEALTH_WARN > > > >> > > > > > >> > > 3 pgs down > > > >> > > > > > >> > > 19 pgs incomplete > > > >> > > > > > >> > > 19 pgs stuck inactive > > > >> > > > > > >> > > 19 pgs stuck unclean > > > >> > > > > > >> > > 7 requests are blocked > 32 sec > > > >> > > > > > >> > > monmap e11: 7 mons at > > > >> > > > > > >> > > > > {0=192.168.0.204:6789/0,1=192.168.0.201:6789/0 > > <http://192.168.0.204:6789/0,1=192.168.0.201:6789/0> > > > <http://192.168.0.204:6789/0,1=192.168.0.201:6789/0> > > > >> > > <http://192.168.0.204:6789/0,1=192.168.0.201:6789/0>, > > > >> > > > > > >> > > > > > >> > > > > > 2=192.168.0.203:6789/0,3=192.168.0.205:6789/0,4=192.168.0.202 > > <http://192.168.0.203:6789/0,3=192.168.0.205:6789/0,4=192.168.0.202> > > > > > <http://192.168.0.203:6789/0,3=192.168.0.205:6789/0,4=192.168.0.202 > > > > > >> > > > > > <http://192.168.0.203:6789/0,3=192.168.0.205:6789/0,4=192.168.0.202 > >: > > > >> > > > > > >> > > > > > 6789/0,5=192.168.0.206:6789/0,6=192.168.0.207:6789/0 > > <http://192.168.0.206:6789/0,6=192.168.0.207:6789/0> > > > <http://192.168.0.206:6789/0,6=192.168.0.207:6789/0> > > > >> > > <http://192.168.0.206:6789/0,6=192.168.0.207:6789/0>} > > > >> > > > > > >> > > election epoch 722, quorum > > > >> > > > > > >> > > 0,1,2,3,4,5,6 1,4,2,0,3,5,6 > > > >> > > > > > >> > > osdmap e10182: 10 osds: 10 up, 10 in > > > >> > > > > > >> > > pgmap v3295880: 1024 pgs, 2 pools, > 4563 GB > > > data, 1143 > > > >> kobjects > > > >> > > > > > >> > > 9136 GB used, 5710 GB / 14846 GB > > avail > > > >> > > > > > >> > > 1005 active+clean > > > >> > > > > > >> > > 16 incomplete > > > >> > > > > > >> > > 3 down+incomplete > > > >> > > > > > >> > > > > > >> > > Unfortunately "7 requests blocked" means no > > virtual > > > >> machine can boot > > > >> > > > > > >> > > because ceph has stopped i/o. > > > >> > > > > > >> > > > > > >> > > I can accept to lose some data, but not ALL > > data! > > > >> > > > > > >> > > Can you help me please? > > > >> > > > > > >> > > Thanks, > > > >> > > > > > >> > > Mario > > > >> > > > > > >> > > > > > >> > > > _______________________________________________ > > > >> > > > > > >> > > ceph-users mailing list > > > >> > > > > > >> > > ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>>> > > > >> > > > > > >> > > > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > >> > > > > > >> > > > > > >> > > > _______________________________________________ > > > >> > > ceph-users mailing list > > > >> > > ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>>> > > > >> > > > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > >> > > > > > >> > > > _______________________________________________ > > > >> > > ceph-users mailing list > > > >> > > ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>>> > > > >> > > > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > >> > > > > > >> > > > >> > > > >> -- > > > >> Christian Balzer Network/Systems Engineer > > > >> ch...@gol.com <mailto:ch...@gol.com> > > <mailto:ch...@gol.com <mailto:ch...@gol.com>> > > > <mailto:ch...@gol.com <mailto:ch...@gol.com> > > <mailto:ch...@gol.com <mailto:ch...@gol.com>>> Global > > > OnLine > > > >> Japan/Rakuten Communications > > > >> http://www.gol.com/ > > > >> > > > >> _______________________________________________ > > > >> ceph-users mailing list > > > >> ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> > > > <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>>> > > > >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > > > > > > > > > > > > _______________________________________________ > > > > ceph-users mailing list > > > > ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>> > > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > > > _______________________________________________ > > > ceph-users mailing list > > > ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com> <mailto:ceph-users@lists.ceph.com > > <mailto:ceph-users@lists.ceph.com>> > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com <mailto:ceph-users@lists.ceph.com> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > 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