[Pacemaker] double stonith device

[Dejan Muhamedagic]

On Mon, Apr 04, 2011 at 03:34:16PM +0200, Christian Zoffoli wrote:
> 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 ?

No.

Have to revise my statement on IPMI. You can use IPMI, since it
does a reset independently on the number of PSU. Sorry for the
confusion.

Thanks,

Dejan

> Thank you,
> Christian
> 
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