[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
Greetings,
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)
Regards,
Rajagopal
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