Re: [Xen-API] ISCSI fail over VM hangs

[Olivier Lambert <lambert.olivier@xxxxxxxxx>]

Hi Joseph ;)

If you stop a VM, let's say on "host1", is it working when you boot it
on "host2"? The question behind is to find when this problem occurs
(only during live migration?)

On Thu, Jul 25, 2013 at 10:52 AM, Joseph-Andre Guaragna
<joseph-andre@xxxxxxxx> wrote:
> Hi,
>
> We are currently running   a two node cluster on pacemaker + drbd in
> orfer to offer a HA ISCSI target.
>
> We cam accros some trouble when migrating the ISCSI target from one to
> the other. The write in the VM stops and after 120 seconds we just get
> lots IO errors.
>
> I went on the XCP to look for information an iscsi session. It was
> still active and looged in. I supposed we have problem with the ISCSI
> layer wether on the initiator/target  side (need tweak for taking into
> account fail over) or it is a completer différent problem such as
> network issues.
>
> I like to know how to troubleshoot the problem in order to identify
> the right cause.
>
>
>
>
>
> thanks in advance for your help,
>
>
>
>    Joseph
>
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