[Samba] Samba + RAID + High speed...

[Volker Lendecke]

On Thu, Feb 05, 2009 at 09:34:22AM +0100, Agustin Eguia wrote:
> Hello everyone,
> 
> I have some questions regarding RAID5 + XFS + Samba + High speed 
> network. I have configured a server with an Areca Controler (SATA) with 
> 10 x 1 TB HDs. The controle is configured with two RAID5, one of 5 TB 
> the other 3 TB. The machine also has 8Gb of ram, the OS runs on a SDD 
> drive (no mechanical parts), and has two dual quadcore Opterons.
> 
> I formated the partitions with XFS to have the best speed. The two RAID 
> partitions are mounted over specific folders that are shared via Samba 
> to the network.
> 
> Since a lot of data will be moved I created a bonding over 6 Intel Gbit 
> ports connected to the switch (the switch is also configured with the 
> proper LAG).
> 
> I still "feel" this configuration could be running faster, anyone has 
> any idea where I could optimize it ? (the XFS format paramaters, Areca 
> setup, bonding parameters, etc).

One thing that really helps in specific workloads is to put
the XFS journal on a physical drive different from where the
data lives.

Apart from it, performance tuning is really something that
is very difficult to do remotely. Someone experienced must
log into your box.

Volker
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.samba.org/archive/samba/attachments/20090205/22cd8fe9/attachment.bin