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

[Alan Brown]

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 at 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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> 
> 
> 
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