[Pacemaker] AP9606 fencing device

[Pavlos Parissis]

On 27 October 2010 14:11, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:

> Hi,
>
> On Wed, Oct 27, 2010 at 01:58:20PM +0200, Pavlos Parissis wrote:
> > On 27 October 2010 13:43, Vadym Chepkov <vchepkov at gmail.com> wrote:
> >
> > >
> > > On Oct 27, 2010, at 7:27 AM, Pavlos Parissis wrote:
> > >
> > > > On 27 October 2010 13:12, Vadym Chepkov <vchepkov at gmail.com> wrote:
> > > >>
> > > >> On Oct 27, 2010, at 3:47 AM, Pavlos Parissis wrote:
> > > >>>
> > > >>> Does anyone know any other PDU which works out of box with the
> > > >>> supplied stonith agents?
> > > >>>
> > > >>
> > > >> I use APC AP7901, works like a charm:
> > > >>
> > > >> primitive pdu stonith:external/rackpdu \
> > > >>        params pduip="10.6.6.6" community="pdu-6" hostlist="AUTO"
> > > >> clone fencing pdu
> > > >>
> > > >> Vadym
> > > >
> > > > Then most likely the defaults OIDs of the rackpdu agents matches the
> > > > OIDs of the AP7901.
> > > > In my case I have to use OID for the device itself
> > > > 1.3.6.1.4.1.318.1.1.4.4.2.1.3  and OID for retrieving (snmpwalk) the
> > > > outlet list .1.3.6.1.4.1.318.1.1.4.4.2.1.4 .
> > > >
> > > > Hold on a sec, are you using clone on AP7901? Does it support
> multiple
> > > > connections? Mine it doesn't.
> > >
> > > Then it's useless regardless clone or not, you have to have multiple
> > > instances, because server can't reliable fence itself, right?
> > >
> > >
> > >
> > My understanding is/was that I need to have one resource running on 1 of
> the
> > 3 nodes in the cluster and if a fence event has to be triggered then
> > pacemaker will send to it to the one stonith resource. I am planning to
> test
> > that the coming days.[1]
> > Am I right? if not then I have to buy a different PDU! :-(
>
> Yes. In case a node which is currently running the stonith
> resource is to be fenced, then the stonith resource would move
> elsewhere first. But, yes, you should test this just like
> anything else. Make sure to test both the "node gone" event
> (failed links) and a critical action failing (such as stop).
>
>
>
I am going to test this.

Cheers,
Pavlos
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