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Hi,<br>
<br>
<div class="moz-cite-prefix">On 23.01.2016 19:05, Gilberto Nunes
wrote:<br>
</div>
<blockquote
cite="mid:CAOKSTBsVZSSKL712h=DB2E4bqsmHCqbAwGNHmDPy_e3WXtCJ6A@mail.gmail.com"
type="cite">
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<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">Hi list</span></div>
<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">
</span></div>
<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">I have a big VM file, with 2 TB of size...</span></div>
<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">The VM is hosted in GlusterFS server, with </span><font
face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">Ubuntu 14.04.3 LTS (GNU/Linux 4.3.0-040300-lowlatency x86_64), act as a server...</span></font></div>
<div>
<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">Between PVE and Ubuntu server, I have bond interface network, with 3 x 1 G of bandwidth, set with balance_rr mode.</span></div>
<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">Both machines are Dell PowerEdge R420, if I correctly remmember...</span></div>
<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">
</span></div>
<div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">Everytime I attempt take a snapshot, I get this erro:</span></div>
<span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre"><div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">
</span></div><div><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">
</span></div>Formatting 'gluster://storage100/storage/images/120/vm-120-state-antes_aplicar_patch_23_Jan_2016.raw', fmt=raw size=69243764736</span><br style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre"><span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">VM 120 qmp command 'savevm-end' failed - unable to connect to VM 120 qmp socket - timeout after 5986 retries</span>
<span style="color:rgb(0,0,0);font-family:tahoma,arial,verdana,sans-serif;font-size:11px;line-height:16px;white-space:pre">TASK ERROR: VM 120 qmp command 'query-savevm' failed - received interrupt</span></div><div><font face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">
</span></font></div></div></blockquote>
I see that your disk is in 'raw' format, on glusterFS we currently only support snapshots on disks in qcow2/qed format.
I know that on glusterFS you can create snapshot also on storage level
(which would be needed in the case of a raw disk), _BUT ONLY_ if the
glusterFS bricks are already on LVMThin and also then you can 'only' snapshot whole volumes...
If you really need snapshots you could convert the disk to qcow2.
qcow2 is not performing that bad and as of today but you have to know
that for some workloads it maybe noticeable less performing than raw.
You have to test and see if it suits your needs.
<blockquote cite="mid:CAOKSTBsVZSSKL712h=DB2E4bqsmHCqbAwGNHmDPy_e3WXtCJ6A@mail.gmail.com" type="cite"><div dir="ltr"><div><font face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">And, of course, I am completely unable to take snapshot...</span></font></div><div><font face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">
</span></font></div><div><font face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">Something that I can do to avoid that error??</span></font></div></div></blockquote>
Error looks a bit strange, though, how do other VMs behave?
<blockquote cite="mid:CAOKSTBsVZSSKL712h=DB2E4bqsmHCqbAwGNHmDPy_e3WXtCJ6A@mail.gmail.com" type="cite"><div dir="ltr"><div><font face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">
</span></font></div><div><font face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">Thanks a lot</span></font></div><div><font face="tahoma, arial, verdana, sans-serif" color="#000000"><span style="font-size:11px;line-height:16px;white-space:pre">
</span></font><div>
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<div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>
</div><div>Gilberto Ferreira
+55 (47) 9676-7530
Skype: gilberto.nunes36
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