I have tracked down the root cause. See https://tracker.ceph.com/issues/42675 Regards Yan, Zheng On Thu, Nov 7, 2019 at 4:01 PM Karsten Nielsen <karsten@xxxxxxxxxx> wrote: > > -----Original message----- > From: Yan, Zheng <ukernel@xxxxxxxxx> > Sent: Thu 07-11-2019 07:21 > Subject: Re: Re: mds crash loop > To: Karsten Nielsen <karsten@xxxxxxxxxx>; > CC: ceph-users@xxxxxxx; > > On Thu, Nov 7, 2019 at 5:50 AM Karsten Nielsen <karsten@xxxxxxxxxx> wrote: > > > > > > -----Original message----- > > > From: Yan, Zheng <ukernel@xxxxxxxxx> > > > Sent: Wed 06-11-2019 14:16 > > > Subject: Re: mds crash loop > > > To: Karsten Nielsen <karsten@xxxxxxxxxx>; > > > CC: ceph-users@xxxxxxx; > > > > On Wed, Nov 6, 2019 at 4:42 PM Karsten Nielsen <karsten@xxxxxxxxxx> wrote: > > > > > > > > > > -----Original message----- > > > > > From: Yan, Zheng <ukernel@xxxxxxxxx> > > > > > Sent: Wed 06-11-2019 08:15 > > > > > Subject: Re: mds crash loop > > > > > To: Karsten Nielsen <karsten@xxxxxxxxxx>; > > > > > CC: ceph-users@xxxxxxx; > > > > > > On Tue, Nov 5, 2019 at 5:29 PM Karsten Nielsen <karsten@xxxxxxxxxx> > > wrote: > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > Last week I upgraded my ceph cluster from luminus to mimic 13.2.6 > > > > > > > It was running fine for a while but yesterday my mds went into a crash > > > > loop. > > > > > > > > > > > > > > I have 1 active and 1 standby mds for my cephfs both of which is > > running > > > > the > > > > > > same crash loop. > > > > > > > I am running ceph based on https://hub.docker.com/r/ceph/daemon > > version > > > > > > v3.2.7-stable-3.2-minic-centos-7-x86_64 with a etcd kv store. > > > > > > > > > > > > > > Log details are: https://paste.debian.net/1113943/ > > > > > > > > > > > > > > > > > > > please try again with debug_mds=20. Thanks > > > > > > > > > > > > Yan, Zheng > > > > > > > > > > Yes I have set that and had to move to pastebin.com as debian apperently > > only > > > > supports 150k > > > > > > > > > > > > > > > https://pastebin.com/Gv7c5h54 > > > > > > > > > > > > > Looks like on-disk root inode is corrupted. have you encountered any > > > > unusually things during the upgrade? > > > > > > > > please run 'rados -p <cephfs metadata pool> stat 1.00000000.inode' , > > > > check if the object is modified before or after the 'luminous -> > > > > 13.2.6' upgrade. > > > > To fix the corrupted object. Run 'cephfs-data-scan init > > > > --force-init'. Then restart mds. After mds become active, run 'ceph > > > > daemon mds.x scrub_path / force repair' > > > > > > > > > > I followed the steps I got the mds started but now a lot of files are in > > lost+found 24283 and I have these errors in the mds log > > > > > 'cephfs-data-scan init --force-init' does not move files into > > lost+found. have you ever run other 'cephfs-data-scan foo' command or > > 'cephfs-journal-tool foo' command? > > I have had a similar problem with the cluster before where I went through the cycle of: > https://docs.ceph.com/docs/mimic/cephfs/disaster-recovery/ -> Using an alternate metadata pool for recovery > > I did run the cephfs-journal-tool journal reset command, mostly because cephfs is not that utilized so I thought it was safe to do as after the upgrade the cluster has not been used much, so data lose would be minimal - apparently I was wrong. > > > > > > 2019-11-06 20:20:18.215 7f0bd9090700 1 mds.0.32011 cluster recovered. > > > 2019-11-06 20:20:19.019 7f0bd2dfa700 0 mds.0.cache.dir(0x100013acfcb) > > _fetched missing object for [dir 0x100013acfcb /nextcloud/custom_apps/carnet/ > > [2,head] auth v=0 cv=0/0 ap=1+0+0 state=1073741888|fetching f() n() > > hs=0+0,ss=0+0 | waiter=1 authpin=1 0x55d4dc4f5100] > > > 2019-11-06 20:20:19.019 7f0bd2dfa700 -1 log_channel(cluster) log [ERR] : dir > > 0x100013acfcb object missing on disk; some files may be lost > > (/nextcloud/custom_apps/carnet) > > > 2019-11-06 20:20:19.275 7f0bd2dfa700 0 mds.0.cache.dir(0x100013a3156) > > _fetched missing object for [dir 0x100013a3156 /nextcloud/custom_apps/mail/ > > [2,head] auth v=0 cv=0/0 ap=1+0+0 state=1073741888|fetching f() n() > > hs=0+0,ss=0+0 | waiter=1 authpin=1 0x55d4dcc40000] > > > 2019-11-06 20:20:19.275 7f0bd2dfa700 -1 log_channel(cluster) log [ERR] : dir > > 0x100013a3156 object missing on disk; some files may be lost > > (/nextcloud/custom_apps/mail) > > > 2019-11-06 20:20:19.371 7f0bd2dfa700 0 mds.0.cache.dir(0x100013abb3c) > > _fetched missing object for [dir 0x100013abb3c > > /nextcloud/custom_apps/passwords/ [2,head] auth v=0 cv=0/0 ap=1+0+0 > > state=1073741888|fetching f() n() hs=0+0,ss=0+0 | waiter=1 authpin=1 > > 0x55d4dcc40700] > > > 2019-11-06 20:20:19.371 7f0bd2dfa700 -1 log_channel(cluster) log [ERR] : dir > > 0x100013abb3c object missing on disk; some files may be lost > > (/nextcloud/custom_apps/passwords) > > > 2019-11-06 20:20:19.383 7f0bd2dfa700 0 mds.0.cache.dir(0x100013a9b9b) > > _fetched missing object for [dir 0x100013a9b9b > > /nextcloud/custom_apps/phonetrack/ [2,head] auth v=0 cv=0/0 ap=1+0+0 > > state=1073741888|fetching f() n() hs=0+0,ss=0+0 | waiter=1 authpin=1 > > 0x55d4dcc40e00] > > > 2019-11-06 20:20:19.383 7f0bd2dfa700 -1 log_channel(cluster) log [ERR] : dir > > 0x100013a9b9b object missing on disk; some files may be lost > > (/nextcloud/custom_apps/phonetrack) > > > 2019-11-06 20:20:19.431 7f0bd2dfa700 0 mds.0.cache.dir(0x100013a2659) > > _fetched missing object for [dir 0x100013a2659 > > /nextcloud/custom_apps/richdocuments/ [2,head] auth v=0 cv=0/0 ap=1+0+0 > > state=1073741888|fetching f() n() hs=0+0,ss=0+0 | waiter=1 authpin=1 > > 0x55d4dcc41500] > > > 2019-11-06 20:20:19.431 7f0bd2dfa700 -1 log_channel(cluster) log [ERR] : dir > > 0x100013a2659 object missing on disk; some files may be lost > > (/nextcloud/custom_apps/richdocuments) > > > 2019-11-06 20:20:22.360 7f0bd9090700 1 mds.k8s-node-01 Updating MDS map to > > version 32015 from mon.1 > > > > > > > > > > > > > > > - Karsten > > > > > > > > > > > > > > > > > > Thanks for any hints > > > > > > > - Karsten > > > > > > > _______________________________________________ > > > > > > > ceph-users mailing list -- ceph-users@xxxxxxx > > > > > > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > ceph-users mailing list -- ceph-users@xxxxxxx > > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > > > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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