On 09/25/2012 02:11 PM, [email protected] wrote:
Hi,
How I can to use active-active mode or primary-primary mode? I understand
that I can to use with file system for a cluster GFS, etc.
Tell me please.
Regards!
In DRBD, this is called "dual-primary" mode. You are write in that you
need a cluster-aware file system like GFS2, which I use, or OCFS2.
The most important thing you need to make dual-primary safe is to have a
fence device. This is a mechanism for forcing one of the nodes to power
off if the communications between the node breaks. This can be provided
by a cluster resource manager like Red Hat's cluster service or pacemaker.
Beyond this, the topic starts to get more complex. If you want more
advice, you will need to be a little more specific on what it is you
want to do.
--
Digimer
Papers and Projects: https://alteeve.ca
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