Re: [Gluster-devel] [Gluster-users] 3.7.12/3.8.qemu/proxmox testing

2016-07-04 Thread Lindsay Mathieson

On 4/07/2016 11:06 PM, Poornima Gurusiddaiah wrote:
Found the RCA for the issue, an explanation of the same can be found @https://bugzilla.redhat.com/show_bug.cgi?id=1352482#c8  
The patch for this, will follow shortly and hope to include it in 3.1.13


Brilliant, thanks all.

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Re: [Gluster-devel] [Gluster-users] 3.7.12/3.8.qemu/proxmox testing

2016-07-04 Thread Atin Mukherjee
On Mon, Jul 4, 2016 at 6:36 PM, Poornima Gurusiddaiah 
wrote:

>
> - Original Message -
> > From: "Lindsay Mathieson" 
> > To: "Kaushal M" , gluster-us...@gluster.org
> > Cc: "Gluster Devel" 
> > Sent: Monday, July 4, 2016 4:23:37 PM
> > Subject: Re: [Gluster-users] 3.7.12/3.8.qemu/proxmox testing
> >
> > On 4/07/2016 7:16 PM, Kaushal M wrote:
> > > An update on this, we are tracking this issue on bugzilla [1].
> > > I've added some of the observations made till now in the bug. Copying
> > > the same here.
> >
> > Thanks Kaushal, appreciate the updates.
> >
>
> Found the RCA for the issue, an explanation of the same can be found @
> https://bugzilla.redhat.com/show_bug.cgi?id=1352482#c8
> The patch for this, will follow shortly and hope to include it in 3.1.13
>

You meant 3.7.13, isn't it :)

Kaushal, RTalur, Poornima - Good work guys!



>
> Regards,
> Poornima
>
> >
> > --
> > Lindsay Mathieson
> >
> > ___
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> > http://www.gluster.org/mailman/listinfo/gluster-users
> >
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Re: [Gluster-devel] [Gluster-users] 3.7.12/3.8.qemu/proxmox testing

2016-07-04 Thread Poornima Gurusiddaiah

- Original Message -
> From: "Lindsay Mathieson" 
> To: "Kaushal M" , gluster-us...@gluster.org
> Cc: "Gluster Devel" 
> Sent: Monday, July 4, 2016 4:23:37 PM
> Subject: Re: [Gluster-users] 3.7.12/3.8.qemu/proxmox testing
> 
> On 4/07/2016 7:16 PM, Kaushal M wrote:
> > An update on this, we are tracking this issue on bugzilla [1].
> > I've added some of the observations made till now in the bug. Copying
> > the same here.
> 
> Thanks Kaushal, appreciate the updates.
> 

Found the RCA for the issue, an explanation of the same can be found @ 
https://bugzilla.redhat.com/show_bug.cgi?id=1352482#c8 
The patch for this, will follow shortly and hope to include it in 3.1.13

Regards,
Poornima

> 
> --
> Lindsay Mathieson
> 
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Re: [Gluster-devel] [Gluster-users] 3.7.12/3.8.qemu/proxmox testing

2016-07-04 Thread Lindsay Mathieson

On 4/07/2016 7:16 PM, Kaushal M wrote:

An update on this, we are tracking this issue on bugzilla [1].
I've added some of the observations made till now in the bug. Copying
the same here.


Thanks Kaushal, appreciate the updates.


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Re: [Gluster-devel] [Gluster-users] 3.7.12/3.8.qemu/proxmox testing

2016-07-04 Thread Kaushal M
On Mon, Jul 4, 2016 at 10:46 AM, Kaushal M  wrote:
> On Mon, Jul 4, 2016 at 9:47 AM, Dmitry Melekhov  wrote:
>> 01.07.2016 07:31, Lindsay Mathieson пишет:
>>>
>>> Started a new thread for this to get away from the somewhat panicky
>>> subject line ...
>>>
>>> Some more test results. I built pve-qemu-kvm against gluster 3.8 and
>>> installed, which would I hoped would remove any libglusterfs version
>>> issues.
>>>
>>> Unfortunately it made no difference - same problems emerged.
>>>
>> Hello!
>>
>> I guess there is problem on server side, because in Centos 7 libgfapi is
>> dynamically linked,
>> and, thus, is automatically upgraded. But we have the same problem.
>>
>
> Thanks for the updates guys. This does indicate something has changed
> in libgfapi with the latest update.
> We are still trying to identify the cause, and will keep you updated on this.
>

An update on this, we are tracking this issue on bugzilla [1].
I've added some of the observations made till now in the bug. Copying
the same here.

```
With qemu-img at least the hangs happen when creating qcow2 images.
The command doesn't hang when creating raw images.

When creating a qcow2 image, the qemu-img appears to be reloading the
glusterfs graph several times. This can be observed in the attached
log where qemu-img is run against glusterfs-3.7.11.

With glusterfs-3.7.12, this doesn't happen as an early writev failure
happens on the brick transport with a EFAULT (Bad address) errno (see
attached log). No further actions happen after this, and the qemu-img
command hangs till the RPC ping-timeout happens and then fails.
```
~kaushal
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1352482

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