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

Fabricio Cannini fcannini at gmail.com
Mon Feb 21 17:17:53 UTC 2011


Em Segunda-feira 21 Fevereiro 2011, às 12:01:11, Joe Landman escreveu:
> 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.

That's nice to hear. Next time i setup a gluster volume i'm going to take a 
look at xfs as a backend.
BTW Joe, these deployments with xfs as backend fs, which version of gluster 
have you used ?

> > 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.

Indeed it is. But i was with the 3.0x series docs on my mind still.

> > 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.

Good to know. Thanks for the tip.

>    Regards,
> 
> Joe



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