[Pacemaker] adding a third node for quorum without running resource?

Andrew Beekhof andrew at beekhof.net
Mon Apr 18 07:05:21 UTC 2011


On Fri, Apr 15, 2011 at 9:54 PM, Jelle de Jong
<jelledejong at powercraft.nl> wrote:
> Hello everybody,
>
> I have been trying to get a third node running in my corosync with
> pacemaker setup under Debian stable to act as quorum node. The third
> node server can not run any of the resources and is mostly used to
> detect network failures and prevent drbd split-brain situation when
> there are network issues.
>
> I added the third node, but since it can not run drbd the crm drbd
> monitors systems in my crm configuration will break. (it's expecting
> third drbd machine)
>
> How should I change my configuration[1] so it understands that it can
> not run resources on the third node (machine ebony) but should use it
> for quorum only?

node thirdnode \
        attributes standby="on"

>
> [1] http://pastebin.com/wYjqpDvk
>
> I tried changing the corosync.conf and commented out the service
> section, but now pacemaker does not detect the third node at all, and
> tests show it is also is not used for quorum.
>
> Thanks in advance,
>
> Kind regards,
>
> Jelle de Jong
>
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