[Linux-cluster] FS-Cache

Steven Whitehouse swhiteho at redhat.com
Thu Aug 27 13:25:11 UTC 2009


Hi,

On Thu, 2009-08-27 at 14:22 +0100, Mike Cardwell wrote:
> On 27/08/2009 14:03, Steven Whitehouse wrote:
> 
> >> Are there any plans to make GFS work with FS-Cache?
> >>
> >> http://people.redhat.com/~dhowells/fscache/FS-Cache.pdf
> >
> > Not that I'm aware of. I'm not sure it would make any sense to do so,
> 
> Hi. Can you explain why it wouldn't make any sense please? I have a GFS 
> filesystem mounted over 100Mb iSCSI (I'm not in a position to upgrade 
> the network speed at this time, but will in future). It's read heavy. 
> Particular files will be hit very regularly. I just thought it would be 
> nice if those files could be cached locally rather than repeatedly 
> pulling them over the network...?
> 

Unless you are doing something to push those files out of the cache,
then they will be cached locally anyway. GFS2 is a bit better at doing
that then GFS1 though,

Steve.





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