live snapshot merge missing after vdsm update

13 Oct 2015

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Hi all,

1 of our older clusters in use, consists of 2 nodes contain Fedora 20, with=
 the virt-preview repository enabled.
The Engine itself is installed on a dedicated server (CentOS 6) and is stil=
l on version 3.5.1.1-1.el6.

During some maintenance a couple of days ago on the Fedora 20  nodes, also =
the installed vdsm package was updated by the engineer working on the nodes=
.
We went from version 'vdsm-4.16.10-8.gitc937927.fc20' to 'vdsm-4.16.26-0.fc=
20'.

This morning I wanted to remove some old snapshots on running vm's, only to=
 find out that the delete button is once again greyed out.
I also created a new snapshot on a running vm to test if it would only happ=
en on snapshots that were already there before the update, but the delete b=
utton would still remain greyed out.
Only turning off the vm allows me to use the delete button.

When looking at the nodes within the cluster, they both still have Live Sna=
pshot Support on Active.
Before the vdsm update, the live merge functionality worked perfectly.

Anybody experienced something similar?
Could It be because the Engine is still running on 3.5.1?
We are also running 2 clusters with F21 nodes that have the same vdsm versi=
on nummer installed and they don't have an issue at all; connected to the s=
ame engine.

Kind Regards,
Roel

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<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">During some maintenance a coupl=
e of days ago on the Fedora 20  nodes, also the installed vdsm package=
 was updated by the engineer working on the nodes.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">We went from version ‘vds=
m-4.16.10-8.gitc937927.fc20’ to ‘vdsm-4.16.26-0.fc20’.<o:=
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<p class=3D"MsoNormal">Hi all,<o:p></o:p></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">1 of our older clusters in use,=
 consists of 2 nodes contain Fedora 20, with the virt-preview repository en=
abled.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">The Engine itself is installed =
on a dedicated server (CentOS 6) and is still on version 3.5.1.1-1.el6.<o:p=
p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">This morning I wanted to remove=
 some old snapshots on running vm’s, only to find out that the delete=
 button is once again greyed out.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">I also created a new snapshot o=
n a running vm to test if it would only happen on snapshots that were alrea=
dy there before the update, but the delete button would still remain greyed=
 out.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">Only turning off the vm allows =
me to use the delete button.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">When looking at the nodes withi=
n the cluster, they both still have Live Snapshot Support on Active.<o:p></=
o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">Before the vdsm update, the liv=
e merge functionality worked perfectly.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">Anybody experienced something s=
imilar?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">Could It be because the Engine =
is still running on 3.5.1?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">We are also running 2 clusters =
with F21 nodes that have the same vdsm version nummer installed and they do=
n’t have an issue at all; connected to the same engine.<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">Kind Regards,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">Roel<o:p></o:p></span></p>
</div>
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Roel de Rooy

Nir Soffer

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