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Re: [Linux-cluster] GFS volume locks during cluster node join/leave



Martijn Storck wrote:
Hey, that's actually quite helpful for the shutdown problem. Thanks :)

No problem.

The reason for the hang is that if a host with mounted filesystems goes away, the others won't touch those filesystems until the cluster is sure it has been fenced, in order to reduce data corruption risk.


Martijn

On Fri, Mar 18, 2011 at 2:18 PM, Alan Brown <ajb2 mssl ucl ac uk> wrote:

Martijn Storck wrote:

Is this expected behaviour?

Yes.


 Is there anything we can do to reduce these delays?
Unmount all clustered filesystems on the host before rebooting.

AB


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