<div dir="ltr"><div>FYI I'm running version 3.3.2, not the 3.3.3 beta.<br></div></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><span style="font-family:arial,sans-serif;font-size:16px"><strong>Steve Dainard </strong></span><span style="font-size:12px"></span><br>
<span style="font-family:arial,sans-serif;font-size:12px">IT Infrastructure Manager<br>
<a href="http://miovision.com/" target="_blank">Miovision</a> | <em>Rethink Traffic</em><br>
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<br><br><div class="gmail_quote">On Mon, Feb 3, 2014 at 11:24 AM, Dafna Ron <span dir="ltr"><<a href="mailto:dron@redhat.com" target="_blank">dron@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Thanks Steve.<br>
<br>
from the logs I can see that the create snapshot succeeds and that the vm is resumed.<br>
the vm moves to pause as part of libvirt flows:<br>
<br>
2014-02-02 14:41:20.872+0000: 5843: debug : qemuProcessHandleStop:728 : Transitioned guest snapshot-test to paused state<br>
2014-02-02 14:41:30.031+0000: 5843: debug : qemuProcessHandleResume:776 : Transitioned guest snapshot-test out of paused into resumed state<br>
<br>
There are bugs here but I am not sure yet if this is libvirt regression or engine.<br>
<br>
I'm adding Elad and Maor since in engine logs I can't see anything calling for live snapshot (only for snapshot) - Maor, shouldn't live snapshot command be logged somewhere in the logs?<br>
Is it possible that engine is calling to create snapshot and not create live snapshot which is why the vm pauses?<br>
<br>
Elad, if engine is not logging live snapshot anywhere I would open a bug for engine (to print that in the logs).<br>
Also, there is a bug in vdsm log for sdc where the below is logged as ERROR and not INFO:<br>
<br>
Thread-23::ERROR::2014-02-02 09:51:19,497::sdc::137::<u></u>Storage.StorageDomainCache::(_<u></u>findDomain) looking for unfetched domain a52938f7-2cf4-4771-acb2-<u></u>0c78d14999e5<br>
Thread-23::ERROR::2014-02-02 09:51:19,497::sdc::154::<u></u>Storage.StorageDomainCache::(_<u></u>findUnfetchedDomain) looking for domain a52938f7-2cf4-4771-acb2-<u></u>0c78d14999e5<br>
<br>
If the engine was sending live snapshot or if there is no difference in the two commands in engine side than I would open a bug for libvirt for pausing the vm during live snapshot.<br>
<br>
Dafna<div class="im"><br>
<br>
On 02/03/2014 02:41 PM, Steve Dainard wrote:<br>
</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">
[root@ovirt002 ~]# vdsClient -s 0 getStorageDomainInfo a52938f7-2cf4-4771-acb2-<u></u>0c78d14999e5<br>
uuid = a52938f7-2cf4-4771-acb2-<u></u>0c78d14999e5<br>
pool = ['fcb89071-6cdb-4972-94d1-<u></u>c9324cebf814']<br>
lver = 5<br>
version = 3<br>
role = Master<br>
remotePath = gluster-store-vip:/rep1<br>
spm_id = 2<br>
type = NFS<br>
class = Data<br>
master_ver = 1<br>
name = gluster-store-rep1<br>
<br>
<br></div><div class="im">
*Steve Dainard *<br>
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On Sun, Feb 2, 2014 at 2:55 PM, Dafna Ron <<a href="mailto:dron@redhat.com" target="_blank">dron@redhat.com</a> <mailto:<a href="mailto:dron@redhat.com" target="_blank">dron@redhat.com</a>>> wrote:<br>
<br>
please run vdsClient -s 0 getStorageDomainInfo<br>
a52938f7-2cf4-4771-acb2-<u></u>0c78d14999e5<br>
<br>
Thanks,<br>
<br>
Dafna<br>
<br>
<br>
<br>
On 02/02/2014 03:02 PM, Steve Dainard wrote:<br>
<br>
Logs attached with VM running on qemu-kvm-rhev packages installed.<br>
<br>
*Steve Dainard *<br>
IT Infrastructure Manager<br>
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On Sun, Feb 2, 2014 at 5:05 AM, Dafna Ron <<a href="mailto:dron@redhat.com" target="_blank">dron@redhat.com</a><br></div>
<mailto:<a href="mailto:dron@redhat.com" target="_blank">dron@redhat.com</a>> <mailto:<a href="mailto:dron@redhat.com" target="_blank">dron@redhat.com</a><div><div class="h5"><br>
<mailto:<a href="mailto:dron@redhat.com" target="_blank">dron@redhat.com</a>>>> wrote:<br>
<br>
can you please upload full engine, vdsm, libvirt and vm's<br>
qemu logs?<br>
<br>
<br>
On 02/02/2014 02:08 AM, Steve Dainard wrote:<br>
<br>
I have two CentOS 6.5 Ovirt hosts (ovirt001, ovirt002)<br>
<br>
I've installed the applicable qemu-kvm-rhev packages<br>
from this<br>
site: <a href="http://www.dreyou.org/ovirt/vdsm32/Packages/" target="_blank">http://www.dreyou.org/ovirt/<u></u>vdsm32/Packages/</a> on<br>
ovirt002.<br>
<br>
On ovirt001 if I take a live snapshot:<br>
<br>
Snapshot 'test qemu-kvm' creation for VM<br>
'snapshot-test' was<br>
initiated by admin@internal.<br>
The VM is paused<br>
Failed to create live snapshot 'test qemu-kvm' for VM<br>
'snapshot-test'. VM restart is recommended.<br>
Failed to complete snapshot 'test qemu-kvm' creation<br>
for VM<br>
'snapshot-test'.<br>
The VM is then started, and the status for the snapshot<br>
changes to OK.<br>
<br>
On ovirt002 (with the packages from dreyou) I don't<br>
get any<br>
messages about a snapshot failing, but my VM is still<br>
paused<br>
to complete the snapshot. Is there something else<br>
other than<br>
the qemu-kvm-rhev packages that would enable this<br>
functionality?<br>
<br>
I've looked for some information on when the packages<br>
would be<br>
built as required in the CentOS repos, but I don't see<br>
anything definitive.<br>
<br>
<a href="http://lists.ovirt.org/pipermail/users/2013-December/019126.html" target="_blank">http://lists.ovirt.org/<u></u>pipermail/users/2013-December/<u></u>019126.html</a><br>
Looks like one of the maintainers is waiting for<br>
someone to<br>
tell him what flags need to be set.<br>
<br>
Also, another thread here:<br>
<a href="http://comments.gmane.org/gmane.comp.emulators.ovirt.arch/1618" target="_blank">http://comments.gmane.org/<u></u>gmane.comp.emulators.ovirt.<u></u>arch/1618</a><br>
same maintainer, mentioning that he hasn't seen<br>
anything in<br>
the bug tracker.<br>
<br>
There is a bug here:<br>
<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1009100" target="_blank">https://bugzilla.redhat.com/<u></u>show_bug.cgi?id=1009100</a> that seems<br>
to have ended in finding a way for qemu to expose<br>
whether it<br>
supports live snapshots, rather than figuring out how<br>
to get<br>
the CentOS team the info they need to build the<br>
packages with<br>
the proper flags set.<br>
<br>
I have bcc'd both dreyou (packaged the qemu-kvm-rhev<br>
packages<br>
listed above) and Russ (CentOS maintainer mentioned in the<br>
other threads) if they wish to chime in and perhaps<br>
collaborate on which flags, if any, should be set for the<br>
qemu-kvm builds so we can get a CentOS bug report<br>
going and<br>
hammer this out.<br>
<br>
Thanks everyone.<br>
<br>
**crosses fingers and hopes for live snapshots soon**<br>
<br>
<br>
<br>
*Steve Dainard *<br>
IT Infrastructure Manager<br>
Miovision <<a href="http://miovision.com/" target="_blank">http://miovision.com/</a>> | /Rethink Traffic/<br>
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101,<br>
Kitchener, ON, Canada | N2C 1L3<br>
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On Fri, Jan 31, 2014 at 1:26 PM, Steve Dainard<br>
<<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><br>
<mailto:<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><u></u>> <mailto:<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><br>
<mailto:<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><u></u>>><br>
<mailto:<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><br>
<mailto:<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><u></u>><br>
<br>
<mailto:<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><br>
<mailto:<a href="mailto:sdainard@miovision.com" target="_blank">sdainard@miovision.com</a><u></u>>>>> wrote:<br>
<br>
<br>
How would you developers, speaking for the<br>
oVirt-community,<br>
propose to<br>
solve this for CentOS _now_ ?<br>
<br>
I would imagine that the easiest way is that<br>
you build and<br>
host this one<br>
package(qemu-kvm-rhev), since you´ve basically<br>
already<br>
have<br>
the source<br>
and recipe (since you´re already providing it<br>
for RHEV<br>
anyway). Then,<br>
once that´s in place, it´s more a question of<br>
where to<br>
host the<br>
packages, in what repository. Be it your own,<br>
or some<br>
other<br>
repo set up<br>
for the SIG.<br>
<br>
This is my view, how I as a user view this issue.<br>
<br>
<br>
<br>
I think this is a pretty valid view.<br>
<br>
What would it take to get the correct qemu package<br>
hosted<br>
in the<br>
ovirt repo?<br>
<br>
--<br>
<br>
Med Vänliga Hälsningar<br>
<br>
------------------------------<u></u>------------------------------<u></u>-------------------<br>
Karli Sjöberg<br>
Swedish University of Agricultural Sciences<br>
Box 7079<br>
(Visiting<br>
Address<br>
Kronåsvägen 8)<br>
S-750 07 Uppsala, Sweden<br>
Phone: <a href="tel:%2B46-%280%2918-67%2015%2066" value="+4618671566" target="_blank">+46-(0)18-67 15 66</a><br>
<tel:%2B46-%280%2918-67%2015%<u></u>2066><br>
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<tel:%2B46-%280%2918-67%2015%<u></u>2066><br>
<a href="mailto:karli.sjoberg@slu.se" target="_blank">karli.sjoberg@slu.se</a> <mailto:<a href="mailto:karli.sjoberg@slu.se" target="_blank">karli.sjoberg@slu.se</a>><br>
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<br>
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-- Dafna Ron<br>
<br>
<br>
<br>
<br>
-- Dafna Ron<br>
<br>
<br>
</div></blockquote><span class="HOEnZb"><font color="#888888">
<br>
<br>
-- <br>
Dafna Ron<br>
</font></span></blockquote></div><br></div>