cluster lvm (clvm) and cluster manager (cman) in reply to [DRBD-user] DRBD 8.0 primary / primary and LVM

Håkan drbdhberg at wayfinder.com
Tue Jul 17 14:40:31 CEST 2007

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Maxim Doucet wrote:
> clvm (http://sources.redhat.com/cluster/clvm/) needs cman
> (http://sources.redhat.com/cluster/cman/) as a dependency (at least with
> the yum package manager under fedora core 7).
> 
> Because cman is attempted to manage the cluster, I was wondering if
> there could be any confusion/conflict with Heartbeat Linux-HA
> (http://www.linux-ha.org/), which is used to manage DRBD ?
> 
> Or maybe there is a simple, minimalist configuration to cman that only
> allows to take advantage of distributed/clustered lvm? This would be
> without all the "cluster management" features that would actually be
> dedicated to Hearbeat Linux-HA.

Yes, i use a very simple and minimalistic config in
/etc/cluster/cluster.conf, to get the basic functionality of clvm going.
I'd probably continue with this and then set up heartbeat, if i wanted
to use it.





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