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Re: [Linux-cluster] Cluster maintenance mode ?

On Tuesday 27 March 2007 18:01:04 David Teigland wrote:
> 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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> Linux-cluster redhat com
> https://www.redhat.com/mailman/listinfo/linux-cluster
And the other question would be can one detect a currupted filesystem. 

I.e. is it possible to detect if the fs was not cleanly unmounted? Are there 
any possibilities?

Gruss / Regards,

Marc Grimme
Phone: +49-89 452 3538-14
http://www.atix.de/               http://www.open-sharedroot.org/

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