On Thu, Sep 24, 2015 at 9:06 AM, Ramesh Nachimuthu <[email protected]> wrote:
> > > On 09/24/2015 11:28 AM, Nir Soffer wrote: > > On Thu, Sep 24, 2015 at 7:37 AM, Ramesh Nachimuthu < <[email protected]> > [email protected]> wrote: > >> >> >> On 09/24/2015 02:38 AM, Darrell Budic wrote: >> >> This is a known issue in overt 3.5.x and below. It’s been solved in the >> upcoming ovirt 3.6. >> >> Related to https://bugzilla.redhat.com/show_bug.cgi?id=1172905, the fix >> involved setting up a special cgroup for the mount, but i can’t find the >> exact details atm. >> >> >> I have vdsm 4.17.6-0.el7.centos already installed on the hosts. So I am >> not sure above bug 1172905 >> <https://bugzilla.redhat.com/show_bug.cgi?id=1172905> fixes this >> correctly. >> > > I think the root cause is the same - qemu cannot recover from glusterfs > unmount, and the only way to resume the vm is to restart it with a fresh > mount. > > The mentioned bug handle the case where stopping vdsm kills the glusterfs > mount helper. This issue is fixed in 3.6. > > The issue here seems different. I suggest you open a bug so gluster guys > can investigate this. > > > Seems like I am hitting the issue reported in bz > https://bugzilla.redhat.com/show_bug.cgi?id=1171261. > Indeed. I would open an ovirt bug anyway and make it depend on the glusterfs bug. We need a way to track this issues, and having no ovirt/rhev hides this issue. > > Regards, > Ramesh > > > Nir > > > > >> >> Regards, >> Ramesh >> >> >> >> On Sep 23, 2015, at 7:38 AM, Ramesh Nachimuthu <[email protected]> >> wrote: >> >> >> >> On 09/22/2015 05:57 PM, Alastair Neil wrote: >> >> You need to set the gluster.server-quorum-ratio to 51% >> >> >> I did that. But still I am facing the same issue. VM get paused when I do >> some I/O using fio on some disks backed by gluster. I am not able to resume >> the VM after this. Now only way is to bring down the VM and run again. It >> runs successfully on the same host without any issue. >> >> Regards, >> Ramesh >> >> On 22 September 2015 at 08:25, Ramesh Nachimuthu < <[email protected]> >> [email protected]> wrote: >> >>> >>> >>> On 09/22/2015 05:43 PM, Alastair Neil wrote: >>> >>> what are the gluster-quorum-type and gluster.server-quorum-ratio >>> settings on the volume? >>> >>> >>> *cluster.server-quorum-type*:server >>> *cluster.quorum-type*:auto >>> *gluster.server-quorum-ratio is not set.* >>> >>> One brick process is purposefully killed but remaining two bricks are >>> up and running. >>> >>> Regards, >>> Ramesh >>> >>> On 22 September 2015 at 06:24, Ramesh Nachimuthu < <[email protected]> >>> [email protected]> wrote: >>> >>>> Hi, >>>> >>>> I am not able to resume a VM which was paused because of gluster >>>> client quorum issue. Here is what happened in my setup. >>>> >>>> 1. Created a gluster storage domain which is backed by gluster volume >>>> with replica 3. >>>> 2. Killed one brick process. So only two bricks are running in replica >>>> 3 setup. >>>> 3. Created two VMs >>>> 4. Started some IO using fio on both of the VMs >>>> 5. After some time got the following error in gluster mount and VMs >>>> moved to paused state. >>>> " server 10.70.45.17:49217 has not responded in the last 42 >>>> seconds, disconnecting." >>>> "vmstore-replicate-0: e16d1e40-2b6e-4f19-977d-e099f465dfc6: >>>> Failing WRITE as quorum is not met" >>>> more gluster mount logs at <http://pastebin.com/UmiUQq0F> >>>> http://pastebin.com/UmiUQq0F >>>> 6. After some time gluster quorum is active and I am able to write the >>>> the gluster file system. >>>> 7. When I try to resume the VM it doesn't work and I got following >>>> error in vdsm log. >>>> <http://pastebin.com/aXiamY15>http://pastebin.com/aXiamY15 >>>> >>>> >>>> Regards, >>>> Ramesh >>>> >>>> >>>> _______________________________________________ >>>> Users mailing list >>>> <[email protected]>[email protected] >>>> <http://lists.ovirt.org/mailman/listinfo/users> >>>> http://lists.ovirt.org/mailman/listinfo/users >>>> >>>> >>> >>> >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.ovirt.org/mailman/listinfo/users >> >> >> >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.ovirt.org/mailman/listinfo/users >> >> > >
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