[Gluster-users] Optimal XFS formatting?

[Sabuj Pattanayek]

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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