[Linux-cluster] How to avoid two-nodes cluster split-brain withoutshared storage
jeff.sturm at eprize.com
Sat Feb 7 19:26:14 UTC 2009
We faced the same question, and decided that for reliability, it was
best to add an inexpensive third node to a cluster.
The third node need not run any cluster services (rgmanager, GFS, CLVM
etc.) other than fencing. This is a far lower cost than adding shared
storage simply for a quorum disk.
> -----Original Message-----
> From: linux-cluster-bounces at redhat.com
> [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Mockey Chen
> Sent: Friday, February 06, 2009 3:18 AM
> To: linux clustering
> Subject: [Linux-cluster] How to avoid two-nodes cluster
> split-brain withoutshared storage
> I have a two node cluster, due to design limitation, there is
> no shared storage exist. So I can not use quorum disk.
> Is there any other reliable way to prevent split-brain?
> I searched google, but I can not found any solution suitable
> for my situation.
> Any comment is appreciated.
> Best Regards.
> Chen Ming
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