[ovirt-users] Gluster: VM disk stuck in transfer; georep gone wonky

[Sahina Bose]

On Mon, Mar 19, 2018 at 10:08 PM, Jim Kusznir <jim at palousetech.com> wrote:

> Hi all:
>
> Sorry for yet another semi-related message to the list.  In my attempts to
> troubleshoot and verify some suspicions on the nature of the performance
> problems I posted under "Major Performance Issues with gluster", I
> attempted to move one of my problem VM's back to the original storage
> (SSD-backed).  It appeared to be moving fine, but last night froze at 84%.
> This morning (8hrs later), its still at 84%.
>
> I need to get that VM back up and running, but I don't know how...It seems
> to be stuck in limbo.
>
> The only thing I explicitly did last night as well that may have caused an
> issue is finally set up and activated georep to an offsite backup machine.
> That too seems to have gone a bit wonky.  On the ovirt server side, it
> shows normal with all but data-hdd show a last sync'ed time of 3am (which
> matches my bandwidth graphs for the WAN connections involved).  data-hdd
> (the new disk-backed storage with most of my data in it) shows not yet
> synced, but I'm also not currently seeing bandwidth usage anymore.
>
> I logged into the georep destination box, and found system load a bit
> high, a bunch of gluster and rsync processes running, and both data and
> data-hdd using MORE disk space than the origional (data-hdd using 4x more
> disk space than is on the master node).  Not sure what to do about this; I
> paused the replication from the cluster, but that hasn't seem to had an
> effect on the georep destination.
>

For the geo-rep gone wonky - can you provide some more information to debug
this. The logs are at /var/log/glusterfs/geo-replication. Please provide
the logs from the master and slave.


> I promise I'll stop trying things until I get guidance from the list!
> Please do help; I need the VM HDD unstuck so I can start it.
>
> Thanks!
> --Jim
>
>
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