[Linux-cluster] Why no node-specific <quorumd>?
Steven Dake
sdake at redhat.com
Mon Mar 26 21:00:04 UTC 2007
On Mon, 2007-03-26 at 21:16 +0200, Jos Vos wrote:
> Hi,
>
> I was wondering why <quorumd> is a cluster-global config item. This
> means it *has* to be the same for all nodes. Is there a good reason
> for this?
>
> Of course it is possible to make node-specific distinctions in the
> heuristic scripts that are executed. But at least the votes associated
> with each node now can't be different.
>
I'm not sure why you would want to select one view of a primary
component (aka quorum membership) with one node, and another primary
component with another node. Then as the nodes make decisions, they
would be inconsistent (ie: consider GFS one node would think writes were
ok, while another may not... shouldn't they agree?).
Could you explain the use case?
Thanks
-steve
> --
> -- Jos Vos <jos at xos.nl>
> -- X/OS Experts in Open Systems BV | Phone: +31 20 6938364
> -- Amsterdam, The Netherlands | Fax: +31 20 6948204
>
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