[Gluster-users] Optimal XFS formatting?

[Gerald Brandt]

Thanks for the ext4 comments.  My issues with ext4 (and 3) are the long fsck times.  In case of a reboot, w need to be up, and not waiting hours for 6 TB to fsck.

Gerald


----- Original Message -----
> From: "Robert Krig" <robert at bitcaster.de>
> To: gluster-users at gluster.org
> Sent: Thursday, October 20, 2011 8:53:50 AM
> Subject: Re: [Gluster-users] Optimal XFS formatting?
> 
> 
> Try using ext4 if you can. Small file read performance will be MUCH
> better than xfs.
> On the other hand, you might wanna run some benchmark tests which
> resemble your workload, to compare xfs vs ext4 both with and without
> glusterfs.
> 
> 
> 
> 
> 
> On 10/20/2011 03:36 PM, Sabuj Pattanayek wrote:
> > Hi,
> >
> > I've seen that EXT4 has better random I/O performance than XFS,
> > especially on small reads and writes. For large sequential reads
> > and
> > writes XFS is a little bit better. For really large sequential
> > reads
> > and write EXT4 and XFS are about the same. I used to format XFS
> > using
> > this:
> >
> > mkfs.xfs -l size=64m
> >
> > (notes from
> > http://everything2.com/title/Filesystem+performance+tweaking+with+XFS+on+Linux)
> >
> > but realized that it doesn't seem to effect performance for me. You
> > should definitely try mounting with this :
> >
> > mount -t xfs -o rw,noatime,nodiratime,logbufs=8
> >
> > HTH,
> > Sabuj
> >
> > On Thu, Oct 20, 2011 at 8:18 AM, Gerald Brandt <gbr at majentis.com>
> > wrote:
> >> Hi,
> >>
> >> Are there any 'optimal' settings for XFS formatting under
> >> GlusterFS?  The storage will be used for Virtual Disk storage,
> >> virtual disk size from 8GB to 100 GB in size.
> >>
> >> One of the VM's (separate gluster volume) will be running MSSQL
> >> server (4K reads and writes).  The other will be running file
> >> servers, etc).
> >>
> >> Thanks,
> >> Gerald
> >> _______________________________________________
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> >>
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