[Linux-cluster] Converting from dlm to lock_nolock?

[Kaloyan Kovachev]

On Thu, 09 Feb 2012 15:52:57 +0000, Alan Brown <ajb2 at mssl.ucl.ac.uk>
wrote:
> On 09/02/12 15:14, Ray Van Dolson wrote:
> 
>> I'm exploring some options for speeding that up -- the main one being
>> dropping my cluster to only one node.  Is this doable for a file system
>> that was greated with the dlm lock manager instead of lock_nolock?
> 
> Yes. You can force the use of lock_nolock in the mount command.
> 

You may also take a snapshot of the volume (if using LVM or your storage
supports it) and mount the snapshot with lock_nolock. This will reduce the
downtime to only taking the snapshot

> 
> 
> 
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