<html>
<head>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<p><br>
</p>
<br>
<div class="moz-cite-prefix">Le 09/03/2017 à 10:25, Gianluca Cecchi
a écrit :<br>
</div>
<blockquote
cite="mid:CAG2kNCy-F6KF0ckEbFqWuXYQkroMZRVigPHvuhsrK=EvBBOTpQ@mail.gmail.com"
type="cite">
<div dir="ltr">
<div class="gmail_extra">
<div class="gmail_quote">On Wed, Mar 8, 2017 at 6:05 PM,
Gianluca Cecchi <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:gianluca.cecchi@gmail.com" target="_blank">gianluca.cecchi@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div class="gmail_extra">
<div class="gmail_quote"><br>
<div><br>
</div>
<div>NOTE: during the snapshot creation I see in web
admin console the VM in paused state and also not
responsive in both console and ssh session.</div>
<div>After a couple of seconds it comes back and as
a confirmation I see this in its messages:</div>
<div><br>
</div>
<div>Mar 8 17:38:57 T-ORACLE73 chronyd[616]: System
clock wrong by 19.077230 seconds, adjustment
started<br>
</div>
<div><br>
</div>
<div>Is this expected?</div>
<div><br>
</div>
<span class="gmail-HOEnZb"><font color="#888888">
<div><br>
</div>
<div><br>
</div>
</font></span></div>
</div>
</div>
</blockquote>
</div>
<br>
</div>
<div class="gmail_extra">Possibly the default changed at some
point in time, so that now it saves memory and so this implies
pause of VM</div>
</div>
</blockquote>
Saving memory is essential in some apàplications like DB, so you
won't bypass vm pauses for such a stuff<br>
<blockquote
cite="mid:CAG2kNCy-F6KF0ckEbFqWuXYQkroMZRVigPHvuhsrK=EvBBOTpQ@mail.gmail.com"
type="cite">
<div dir="ltr">
<div class="gmail_extra">In the mean time I verified changing
backup.py this way solves the problem (the 3.6 api deprecation
still in place... ;-):</div>
<div class="gmail_extra"><br>
</div>
<div class="gmail_extra">
<div class="gmail_extra">$ diff backup.py backup.py.orig </div>
<div class="gmail_extra">123c123</div>
<div class="gmail_extra"><
vm.snapshots.add(params.Snapshot(description=config.get_snapshot_description(),
vm=vm,persist_memorystate=False))</div>
<div class="gmail_extra">---</div>
<div class="gmail_extra">>
vm.snapshots.add(params.Snapshot(description=config.get_snapshot_description(),
vm=vm))</div>
<div class="gmail_extra"><br>
</div>
<div class="gmail_extra">The snapshot doesn't include memory
and no problem at VM OS side now</div>
<div class="gmail_extra"><br>
</div>
<div class="gmail_extra">Tested also getting the parameter
from config file</div>
<div class="gmail_extra"><br>
</div>
<div class="gmail_extra">Modifications needed in this case:</div>
<div class="gmail_extra"><br>
</div>
<div class="gmail_extra">1)</div>
<div class="gmail_extra">$ diff backup.py backup.py.orig <br>
</div>
<div class="gmail_extra">
<div class="gmail_extra">123c123</div>
<div class="gmail_extra"><
vm.snapshots.add(params.Snapshot(description=config.get_snapshot_description(),
vm=vm,persist_memorystate=config.get_persist_memorystate()))</div>
<div class="gmail_extra">---</div>
<div class="gmail_extra">>
vm.snapshots.add(params.Snapshot(description=config.get_snapshot_description(),
vm=vm))</div>
<div><br>
</div>
<div><br>
</div>
<div>2)</div>
<div>
<div>$ diff config.py config.py.orig </div>
<div>34d33</div>
<div>< self.__persist_memorystate =
config_parser.getboolean(section, "persist_memorystate")</div>
<div>113,116d111</div>
<div>< </div>
<div>< </div>
<div>< def get_persist_memorystate(self):</div>
<div>< return self.__persist_memorystate</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>And in config file called add:</div>
<div><br>
</div>
</div>
<div>
<div># Save Memory in snapshot</div>
<div>persist_memorystate=False</div>
</div>
<div><br>
</div>
<div>It could be further improved if one wants to
differentiate save memory for some VMs and not for other
ones....</div>
<div><br>
</div>
<div>HIH other ones,</div>
<div>Gianluca</div>
</div>
</div>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Nathanaël Blanchet
Supervision réseau
Pôle Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5
Tél. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
<a class="moz-txt-link-abbreviated" href="mailto:blanchet@abes.fr">blanchet@abes.fr</a> </pre>
</body>
</html>