<div dir="ltr">Sorry I'm confused.<br><br>When i run the following command, i can't see my vm paused ... so I thought that it can't save all state of vm ( including RAM etc...).<br><br>dog vdi snapshot -s test3_backup test3<br><br>Is it a problem in my configuration?<br></div><div class="gmail_extra"><br><div class="gmail_quote">2016-09-29 9:21 GMT+02:00 Vasiliy Tolstov <span dir="ltr"><<a href="mailto:v.tolstov@selfip.ru" target="_blank">v.tolstov@selfip.ru</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">2016-09-29 10:20 GMT+03:00 Cristian Del Carlo<br>
<<a href="mailto:cristian.delcarlo@targetsolutions.it">cristian.delcarlo@<wbr>targetsolutions.it</a>>:<br>
<span class="">> Hi Hitoshi,<br>
><br>
> Thanks for your response and for your time.<br>
> Correct me if I'm wrong.<br>
><br>
> I thought about using qcow2 to use qemu to have the ability to use internal<br>
> shapshot.<br>
><br>
> To have a consistent image of my virtual machines using sheepdog, I think I<br>
> should turn off the virtual machine, then make the snapshot ( dog vdi<br>
> snapshot -s ) and then turn it on again.<br>
><br>
> Using internal snapshot feature of qcow2/qemu I could avoid switching off<br>
> the machine.<br>
><br>
> External snapshot do not seem to be supported with sheepdog:<br>
><br>
> # virsh snapshot-create-as test3 test3-backup --disk-only --atomic<br>
><br>
> error: unsupported configuration: source for disk 'vda' is not a regular<br>
> file; refusing to generate external snapshot name<br>
><br>
> I'm thinking correctly or i am wrong?<br>
><br>
> Thanks,<br>
<br>
<br>
</span>You don't need qcow2 for snapshoting in sheepdog. Sheepdog able to<br>
save all state of vm.<br>
Create internal snapshot. I remember that libvirt have some bugs about<br>
snapshots in sheepdog, but if you have reproduced issue i can fix ti.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Vasiliy Tolstov,<br>
e-mail: <a href="mailto:v.tolstov@selfip.ru">v.tolstov@selfip.ru</a><br>
</font></span></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><span></span><span></span><br></div><div><font><b><font color="#990000"><i><br></i></font></b></font></div><div><font><b><font color="#990000"><i>Cristian Del Carlo</i></font></b><br></font></div><div></div><div><i><font>Target Solutions s.r.l.<br></font></i></div><div><i><font><br></font></i></div>
<div><font><span><b><font color="#ff0000">T</font></b><b> </b>+</span>39 0583 1905621</font></div><div><font><font color="#ff0000"><b>F</b></font> <a value="+3905831905675">+39 0583 1905675</a></font></div><div>
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