[ovirt-users] Manually starting VMs via vdsClient (HE offline)

[Dan Yasny]

On Wed, Feb 8, 2017 at 4:07 PM, Doug Ingham <dougti at gmail.com> wrote:

> Hi Guys,
>  My Hosted-Engine has failed & it looks like the easiest solution will be
> to install a new one. Now before I try to re-add the old hosts (still
> running the guest VMs) & import the storage domain into the new engine, in
> case things don't go to plan, I want to make sure I'm able to bring up the
> guests on the hosts manually.
>
> The problem is vdsClient is giving me an "Unexpected exception", without
> much more info as to why it's failing.
>
> Any idea?
>
> [root at v0 ~]# vdsClient -s 0 list table | grep georep
> 9d1c3fef-498e-4c20-b124-01364d4d45a8  30455  georep-proxy         Down
>
> [root at v0 ~]# vdsClient -s 0 continue 9d1c3fef-498e-4c20-b124-01364d4d45a8
> Unexpected exception
>
> /var/log/vdsm/vdsm.log
> periodic/1063::WARNING::2017-02-08 17:57:52,532::periodic::276::
> virt.periodic.VmDispatcher::(__call__) could not run <class
> 'vdsm.virt.periodic.DriveWatermarkMonitor'> on ['65c9807c-7216-40b3-927c-5fd93bbd42ba',
> u'9d1c3fef-498e-4c20-b124-01364d4d45a8']
>
>
continue meane un-pause, not "start from a stopped state"


now having said that, if you expect the VMs not to be able to start after
you rebuild the engine and the VMs exist on the hosts, I'd collect a virsh
-r dumpxml VMNAME for each - that way you have the disks in use, and all
the VM configuration in a file, and with some minor LVM manipulation you'll
be able to start the VM via virsh


> Cheers,
> --
> Doug
>
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>
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