[Linux-cluster] quorum dissolved but resources are still alive

Digimer linux at alteeve.com
Tue May 31 18:34:43 UTC 2011

On 05/31/2011 01:56 PM, Alan Brown wrote:
> Digimer wrote:
>> With a two-node, quorum is effectively useless, as a single node is
>> allowed to continue.
> That's what qdiskd is for. It's also useful in larger clusters.

Agreed, but there are 2 caveats that need addressing;

1. qdisk requires a SAN (DRBD will not do).
2. qdisk works up to 16 nodes only.

>> Also, without proper fencing, things will not fail properly. This
>> means that you are in somewhat of an undefined area.
> Undefined = likely to cause data corruption.
> The OP needs to sort this out first before going on to anything else.

Agreed. :)

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