Re: mds crash loop

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-----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.

The fil was modified before the 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'
> 
> 
> > - Karsten
> >
> > >
> > > > Thanks for any hints
> > > > - Karsten
> > > > _______________________________________________
> > > > ceph-users mailing list -- ceph-users@xxxxxxx
> > > > To unsubscribe send an email to ceph-users-leave@xxxxxxx
> > >
> > >
> 
>
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