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Re: [Linux-cluster] Cluster maintenance mode ?



On Tue, Mar 27, 2007 at 05:48:25PM +0200, Mark Hlawatschek wrote:
> Is there a way to put the cman into a kind of maintenance mode, where
> only one node is up and no other node is allowed to join ?  If not, are
> there plans to implement something like that ?
> 
> The question is adressing the following issue: I'd like to enable
> automatic GFS filesystem checks. (localfs like every Nth mount or after
> M days... ) This FS check would only be allowed if no other node has the
> filesystem mounted or no other node is in the cluster. How can this be
> assured in a general way ?

The best approach to this problem IMO is to activate the LV exclusively on
the node you want to fsck from.  Last I heard, though, there were problems
with exclusive LV activation, so this didn't actually work.

Dave


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