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Re: [Linux-cluster] GFS without RHCM but with Heartbeat V2 and drbd ?

On Jan 2, 2008, at 5:17 PM, Lon Hohberger wrote:

On Fri, 2007-12-28 at 11:31 +0100, Holger Woehle wrote:
at the moment i am evaluating RHCM and Heartbeat V2 to refine our
Heartbeat V1 Cluster.
My question as in the subject:
Is it possible to use GFS without the RHCM ?

Not sure.  You don't need rgmanager, but you need

Nothing precludes you from running HBv2 in addition to RHCM+GFS.

Providing you arrange for "non-overlapping areas of concern" - otherwise you could get the two cluster managers trying to pull the cluster in opposite directions.

A third option is to run the CRM^ (the part that is new with Heartbeat v2) on top of OpenAIS so that the CRM and GFS are sharing the same "membership/etc" infrastructure.

^ Now its own project called Pacemaker and with support for both cluster stacks.
For more details, see: http://clusterlabs.org

I want to build a 2 node cluster with drbd activ/activ and RHCM/GFS or
Heartbeat V2 with filesystem OCFS or GFS.

Here's how to get a 2-node DRBD setup going w/ RHCM (without HBv2):


-- Lon

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