[Pacemaker] double stonith device

[Christian Zoffoli]

Il 04/04/2011 14:12, Dejan Muhamedagic ha scritto:
> Hi,

Hi

> On Mon, Apr 04, 2011 at 01:08:12PM +0200, Christian Zoffoli wrote:
>> Hi to all,
>> I've a cluster with IPMI enabled servers and dual switch rack PDU APC
>> AP7953, each server has 1 PSU connected to APC1 and 1 PSU connected to APC2.
>>
>> I want to add stonith to my cluster configuration ...mainly corosync +
>> clvm + ocfs2 ...so what's the best way ...in your opinion?
>>
>> 1- IPMI stonith
>> or
>> 2- APC stonith ...but I've a little problem that I cannot figure how to
>> archive ...I need to launch the same stonith command on 2 PDUs to
>> poweroff a server ...and I don't know how to do it without writing a new
>> stonith module.
> 
> Does that device support snmp? If you can use apcmastersnmp,
> then you can name all outlets connected to a single node after
> that node and it should work. Of course, you'll need to connect
> both PSU of a node to a single PDU. With IPMI you're out of
> luck.

I cannot connect both PSUs to a single PDU without loosing power source
reduncancy (I have dual UPS, dual power lines and so on).


Is there a way to "group" two stonith devices ?

Thank you,
Christian