[ovirt-users] ovirt 3.6.6 and gluster 3.7.13

[Alexander Wels]

On Monday, July 25, 2016 01:00:58 PM David Gossage wrote:
> On Mon, Jul 25, 2016 at 9:58 AM, Krutika Dhananjay <kdhananj at redhat.com>
> 
> wrote:
> > OK, could you try the following:
> > 
> > i. Set network.remote-dio to off
> > 
> >         # gluster volume set <VOL> network.remote-dio off
> > 
> > ii. Set performance.strict-o-direct to on
> > 
> >         # gluster volume set <VOL> performance.strict-o-direct on
> > 
> > iii. Stop the affected vm(s) and start again
> > 
> > and tell me if you notice any improvement?
> 
> Previous instll I had issue with is still on gluster 3.7.11
> 
> My test install of ovirt 3.6.7 and gluster 3.7.13 with 3 bricks on a locak
> disk right now isn't allowing me to add the gluster storage at all.
> 
> Keep getting some type of UI error
> 

Yes that is definitely a UI error. To get a better stack trace can you install the debuginfo

yum install ovirt-engine-webadmin-portal-debuginfo ovirt-engine-userportal-debuginfo

And recreate the exception, that should give a better stack trace.

> 2016-07-25 12:49:09,277 ERROR
> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
> (default task-33) [] Permutation name: 430985F23DFC1C8BE1C7FDD91EDAA785
> 2016-07-25 12:49:09,277 ERROR
> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
> (default task-33) [] Uncaught exception: : java.lang.ClassCastException
>         at Unknown.ps(
> https://ccengine2.carouselchecks.local/ovirt-engine/webadmin/430985F23DFC1C8
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> 
> > -Krutika
> > 
> > On Mon, Jul 25, 2016 at 4:57 PM, Samuli Heinonen <samppah at neutraali.net>
> > 
> > wrote:
> >> Hi,
> >> 
> >> > On 25 Jul 2016, at 12:34, David Gossage <dgossage at carouselchecks.com>
> >> 
> >> wrote:
> >> > On Mon, Jul 25, 2016 at 1:01 AM, Krutika Dhananjay
> >> > <kdhananj at redhat.com>
> >> 
> >> wrote:
> >> > Hi,
> >> > 
> >> > Thanks for the logs. So I have identified one issue from the logs for
> >> 
> >> which the fix is this: http://review.gluster.org/#/c/14669/. Because of
> >> a bug in the code, ENOENT was getting converted to EPERM and being
> >> propagated up the stack causing the reads to bail out early with
> >> 'Operation
> >> not permitted' errors.
> >> 
> >> > I still need to find out two things:
> >> > i) why there was a readv() sent on a non-existent (ENOENT) file (this
> >> 
> >> is important since some of the other users have not faced or reported
> >> this
> >> issue on gluster-users with 3.7.13)
> >> 
> >> > ii) need to see if there's a way to work around this issue.
> >> > 
> >> > Do you mind sharing the steps needed to be executed to run into this
> >> 
> >> issue? This is so that we can apply our patches, test and ensure they fix
> >> the problem.
> >> 
> >> 
> >> Unfortunately I can’t test this right away nor give exact steps how to
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