[Lustre-discuss] Heartbeat Failover Issues on MDS

[Wojciech Turek]

If it is 2 node only heartbeat cluster (MDS pair) I would recommend
configuring HA-linux hearbeat to work in v1 mode (CRM off).
Configuration is much simpler and it is easy to operate.


2010/1/19 Jagga Soorma <jagga13 at gmail.com>:
> Hi Guys,
>
> I am setting up a heartbeat cluster for my 2 MDS servers.  However, I am
> running into the following issue.  If I power off the passive node and
> heartbeat uncleanly shuts down, then after the server is brought back online
> and the heartbeat services are started, all my resource are shutdown
> eventhough they are running on the active node and then brought back online
> automatically.  Am I missing some settings here?  Stickiness?  I have been
> unable to get this to work.
>
> Also do I need to disable the lvm2-monitor service on my MDS's?  Any
> assistance would be greatly appreciated.
>
> Thanks in advance,
> -J
>
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-- 
--
Wojciech Turek

Assistant System Manager

High Performance Computing Service
University of Cambridge
Email: wjt27 at cam.ac.uk
Tel: (+)44 1223 763517