Re: unable to unmap rbd

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In the current kernel (3.2.0-39-generic) it's not fixed. It's quite
annoying as we have to reboot the host every couple of days ...




On Sat, 2013-03-16 at 12:29 +0100, Léon Keijser wrote:
> Thanks for the response. Currently we're running kernel 3.2.0-35  (3.2.0-35.55 on 12.04.2).
> 
> 
> Léon
>  
> 
> -----Original message-----
> > From:Sam Lang <slang@xxxxxxxxxxx>
> > Sent: Sat 16-Mar-2013 00:07
> > To: Léon Keijser <keijser@xxxxxxxxxxxx>
> > Cc: ceph-users@xxxxxxxx; Alex Elder <elder@xxxxxxxxxxx>
> > Subject: Re:  unable to unmap rbd
> > 
> > On Thu, Mar 14, 2013 at 4:09 AM, Léon Keijser <keijser@xxxxxxxxxxxx> wrote:
> > > Hi,
> > >
> > > Every now and then I'm unable to unmap an RBD device:
> > >
> > > root@c2-backup ~ # rbd showmapped
> > > id      pool    image   snap    device
> > > 0       20-kowin-a      20-kowin-a-01   -       /dev/rbd0
> > > root@c2-backup ~ # rbd unmap /dev/rbd0
> > > /dev/rbd0 is not an rbd device
> > > remove failed: (22) Invalid argument
> > >
> > > The only solution I've found so far is rebooting the machine. This is of
> > > course not a very nice option, so if someone knows why this occurs and
> > > how to prevent/fix it without rebooting, I'd be grateful :)
> > 
> > Should be fixed in a recent kernel.  See:
> > http://tracker.ceph.com/issues/2654.  Alex do you know what kernel
> > version has this fix?
> > -sam
> > 
> > >
> > > Thanks!
> > >
> > > Léon
> > >
> > > _______________________________________________
> > > ceph-users mailing list
> > > ceph-users@xxxxxxxxxxxxxx
> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> > 
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