[Linux-cluster] Two node cluster - a potential problem of node fencing each other?

Rajagopal Swaminathan raju.rajsand at gmail.com
Mon Mar 14 09:50:13 UTC 2011


On Sun, Mar 13, 2011 at 7:27 PM, Parvez Shaikh
<parvez.h.shaikh at gmail.com> wrote:
> redundant network link - i trust you were referring to ethernet bonding.
>> This is a fairly common problem called "split brain". The two nodes will
>> go into a shootout, fencing each other. There are a few ways to prevent
>> this, such as redundant network links and the use of quorum disks.

No .it is not bonding

It is another IP address accessible to each node of the cluster
(perhaps the gateway?-- can anybody expand on this a bit) and Quorum
disk is another LUN, say about 100mb per node, accessible to the
cluster (IOW, external storage)



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