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Re: [Linux-cluster] Cluster Suite v3 quorum devices over iSCSI



On Sun, 2006-03-26 at 12:41 -0300, Celso K. Webber wrote:

> We had many problems with quorum formation under this environment. If we
> booted both servers at the same time, quorum would be formed successfully. If
> after that we rebooted one of the servers, it would not rejoin the cluster
> until we stopped clumanager on both sides and restarted.

Are you using disk-based or network-based tiebreaker?

> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=136553

I was never convinced that this was an iSCSI / RHCS3 interaction
problem, for what it's worth ;)


> Question: is there a limitation or need to use broadcast heartbeating under an
> iSCSI environment? Why multicast heartbeating didn't work here?

There shouldn't be, but if there is, it's due to a network / iSCSI
interaction problem that I do not really understand ;)

I wrote some stuff here about RHCS3 + network configuration here, so I
won't retype it.  Take a look and see if anything rings a bell with your
particular hardware configuration:

http://people.redhat.com/lhh/network-stuff.html

-- Lon


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