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Re: [Linux-cluster] CLVM/GFS2 distributed locking



Hi,

On Fri, 2011-12-30 at 19:30 +0000, yvette hirth wrote:
> Digimer wrote:
> 
> > For GFS2, one of the easiest performance wins is to set
> > 'noatime,nodiratime' in the mount options to avoid requiring locks to
> > update the access times on files when you only read them.
> 
> i've found that "noatime" implies "nodiratime", so both are not needed - 
> unless GFS/GFS2 behaves differently than other fs's wrt this attribute. 
>   if so, that would be good to know for certain.
> 
> see here:  http://lwn.net/Articles/245002/
> 
> the article didn't specify the filesystem...
> 
> yvette
> 
Earlier GFS did have different atime code, but GFS2 uses the same code
as all other filesystems, so the behaviour should also be the same,

Steve.



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