[ceph-users] luminous - 12.2.1 - stale RBD locks after client crash

Nikola Ciprich nikola.ciprich at linuxbox.cz
Thu Nov 23 00:49:10 PST 2017


Hello Jason,

you're right! I've done the upgrade according to the docs you've
mentioned, but I must have overlooked this step with caps completely..

thanks a lot for the help!

with best regards

nik


On Wed, Nov 22, 2017 at 07:52:31AM -0500, Jason Dillaman wrote:
> See previous threads about this subject [1][2] and see step 6 in the
> upgrade notes [3].
> 
> [1] http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-September/020722.html
> [2] https://www.mail-archive.com/ceph-users@lists.ceph.com/msg41718.html
> [3] http://docs.ceph.com/docs/master/release-notes/#upgrade-from-jewel-or-kraken
> 
> On Wed, Nov 22, 2017 at 2:50 AM, Nikola Ciprich
> <nikola.ciprich at linuxbox.cz> wrote:
> > Hello ceph users and developers,
> >
> > I've stumbled upon a bit strange problem with Luminous.
> >
> > One of our servers running multiple QEMU clients crashed.
> > When we tried restarting those on another cluster node,
> > we got lots of fsck errors, disks seemed to return "physical"
> > block errors. I figured this out to be stale RBD locks on volumes
> > from the crashed machine. Wnen I removed the locks, everything
> > started to work. (for some volumes, I was fixing those the another
> > day after crash, so it was >10-15hours later)
> >
> > My question is, it this a bug or feature? I mean, after the client
> > crashes, should locks somehow expire, or they need to be removed
> > by hand? I don't remember having this issue with older ceph versions,
> > but I suppose we didn't  have exclusive locks feature enabled..
> >
> > I'll be very grateful for any reply
> >
> > with best regards
> >
> > nik
> > --
> > -------------------------------------
> > Ing. Nikola CIPRICH
> > LinuxBox.cz, s.r.o.
> > 28.rijna 168, 709 00 Ostrava
> >
> > tel.:   +420 591 166 214
> > fax:    +420 596 621 273
> > mobil:  +420 777 093 799
> > www.linuxbox.cz
> >
> > mobil servis: +420 737 238 656
> > email servis: servis at linuxbox.cz
> > -------------------------------------
> > _______________________________________________
> > ceph-users mailing list
> > ceph-users at lists.ceph.com
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 
> 
> 
> -- 
> Jason
> 

-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28.rijna 168, 709 00 Ostrava

tel.:   +420 591 166 214
fax:    +420 596 621 273
mobil:  +420 777 093 799
www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis at linuxbox.cz
-------------------------------------


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