[Users] oVirt with UPS Shutdown Software

[Omer Frenkel]

----- Original Message -----
> From: "Neil" <nwilson123 at gmail.com>
> To: users at ovirt.org
> Sent: Tuesday, August 21, 2012 6:05:17 PM
> Subject: [Users] oVirt with UPS Shutdown Software
> 
> Hi guys,
> 
> I've looked around briefly and can't seem to find much info on this,
> so please excuse me if this has already been asked/documented.
> 
> I have a UPS with SNMP support and I started installing the
> management
> software(IPP) that it comes with and then it occurred to me that the
> shutdown sequence of servers with oVirt 3.1 would be quite critical.
> Is there any documentation on shut down sequences or does anyone know
> what the recommended way of handling power failures are?
> 
> My thinking is that when a power failure is detected by the UPS
> software running on the ovirt-engine machine, the VM's need to be
> shutdown gracefully, and then the data center needs to be put into
> maintenance, before the hosts are eventually shutdown, and then
> finally the ovirt-engine needs to be halted.
>

sounds right to me:
shutdown the vms,
put data-center to maintenance (actually means put all domains to maintenance - i guess this part is nice to have but not must)
then put hosts to maintenance (not sure you mentioned that)
then you can shutdown any server in any order.
 
> Any thoughts or ideas/suggestions on the above, can the ovirt-engine
> somehow be told to shutdown the VM's and hosts etc?
> 

well writing a script to do that shouldn't be hard using the API,
but the question how to trigger it? (i'm not familiar with the UPS software capabilities)

> Thank you very much.
> 
> Regards.
> 
> Neil Wilson.
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