[Linux-cluster] Starter Cluster / GFS
rossnick-lists at cybercat.ca
Wed Nov 10 16:29:51 UTC 2010
>> With a quorum disk, you can in fact have one node left and still have
>> quorum. This is because the quorum drive should have (node-1) votes,
>> thus always giving the last node 50%+1 even with all other nodes being
> I've never tried testing that use-case extensively, but I suspect that it
> is only safe to do with SAN-side fencing. Otherwise two nodes could lose
> contact with each other and still both have access to the SAN and thus
> both be individually quorate.
I our case, a particular node will run a particular service from a
particular directory in the disk. So, even if 2 nodes looses contacts to
each other, they should not end up writing or reading from the same files.
Am I wrong ?
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