<div dir="ltr"><div>Hi,<br><br></div><div>I tried with the Centos6x64 VM, I didn't work, in ovirt's webui I have this error :<br><br>VDSM Noveria command failed: unsupported configuration: unknown device type 'memory'<br>Failed to hot set memory to VM mail10. Underlying error message: unsupported configuration: unknown device type 'memory'<br></div><div><br></div><div>Looking into /sys/devices/system/memory there is no new memory banks added.<br><br></div><div>But, I tested with another VM, Centos7x64 which I updated with latest packages : CentOS Linux release 7.2.1511 (Core)<br><br></div><div>I tried to add memory, but I had the same error on ovirt's webui, I did not work neither with el6x64 or el7x64<br><br></div><div>and /sys/devices/system/memory didn't change, there are no new entries<br></div><div><br></div><div></div>Regards<br></div><div class="gmail_extra"><br><div class="gmail_quote">2016-02-01 10:30 GMT+01:00 Nathanaël Blanchet <span dir="ltr"><<a href="mailto:blanchet@abes.fr" target="_blank">blanchet@abes.fr</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
Hi,<br>
<br>
the hot add features starts working out of the box from centos 7.2
guest.<br>
On previous el7.x, two ways to do that:<br>
<br>
5.2. How to online memory<br>
------------<br>
Even if the memory is hot-added, it is not at ready-to-use state.<br>
For using newly added memory, you have to "online" the memory block.<br>
<br>
For onlining, you have to write "online" to the memory block's state
file as:<br>
<br>
% echo online > /sys/devices/system/memory/memoryXXX/state<br>
<br>
or to be active at boot, add this udev rule in
/lib/udev/rules.d/55-ovirt-guest-agent.rules :<br>
<div class="gmail_extra"><br>
</div>
<div class="gmail_extra">SUBSYSTEM=="memory", ACTION=="add",
TEST=="state", ATTR{state}=="offline", ATTR{state}="online"<br>
<br>
I can't tell you if this works on el6 guest, but why not testing
for us ;)<br>
<br>
</div><div><div class="h5">
<div>Le 01/02/2016 10:04, wodel youchi a
écrit :<br>
</div>
</div></div><blockquote type="cite"><div><div class="h5">
<div dir="ltr">
<div>Hi,<br>
<br>
</div>
<div>I am using oVirt 3.6.2 on FC22 box, all-in-one
installation, my purpose is to test it.<br>
<br>
</div>
<div>I am using a simple Desktop : <br>
- one cpu core i5 3550 with 4 cores <br>
</div>
<div>- 2x4 Go of RAM<br>
<br>
</div>
<div>I installed a Centos 6x64 VM with all updates + ovirt guest
agent.<br>
<br>
</div>
<div>I tried to augment the memory from 1024 to 1536 (+512Mo) it
didn't work I had to shutdown the VM for the change to take
effect.<br>
<br>
</div>
<div>Hot plug memory does it have something to do with the
underneath hardware?<br>
</div>
<div>or does it depend on the guest OS?<br>
</div>
<div>or something else?<br>
</div>
<div><br>
</div>
<div><br>
</div>
Regards.<br>
</div>
<br>
<fieldset></fieldset>
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<pre 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 href="mailto:blanchet@abes.fr" target="_blank">blanchet@abes.fr</a> </pre>
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