[Gluster-users] Fwd: files not syncing up with glusterfs 3.1.2

Joe Landman landman at scalableinformatics.com
Mon Feb 21 15:01:11 UTC 2011

On 02/21/2011 09:53 AM, David Lloyd wrote:
> I'm working with Paul on this.
> We did take advice on XFS beforehand, and were given the impression that it
> would just be a performance issue rather than things not actually working.

Hi David

   XFS works fine as a backing store for GlusterFS.  We've deployed this 
now to many customer sites, and have not run into issues with it.

> We've got quite fast hardware, and are more comfortable with XFS that ext4
> from our own experience so we did our own tests and were happy with XFS
> performance.

   There are many reasons to choose XFS in general, and there are no 
issues with using it with GlusterFS.  Especially on large file transfers.

> Likewise, we're aware of the very poor performance of gluster with small
> files. We serve a lot of large files, and we're now moved most of the small
> files off to a normal nfs server. Again small files aren't known to break
> gluster are they?

   Small files are the bane of every cluster file system.  We recommend 
using NFS client with GlusterFS for smaller files, simply due to the 
additional caching you can get out of the NFS system.



Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics Inc.
email: landman at scalableinformatics.com
web  : http://scalableinformatics.com
phone: +1 734 786 8423 x121
fax  : +1 866 888 3112
cell : +1 734 612 4615

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