Thread: RAID10 and chunk size

Greetings,

I have a little question - which chunk size is more better in
performance purpose? Please advise folks.

system configuration is:

Software RAID 1+0 (4 x SAS 15k HDD)
CentOS 32bit
PostgreSQL 8.3.3

Thanks in advance
and have a nice holidays, cheers!

--
Sergey Smirnov
email/xmpp: Sergey.A.Smirnov@Gmail.com

On Sun, Aug 30, 2009 at 12:03 AM, Sergey
Smirnov<sergey.a.smirnov@gmail.com> wrote:

> I have a little question - which chunk size is more better in
> performance purpose? Please advise folks.

I tend to use the same size for both disk blocks and chunks, as big as
possible. That is under XFS and I have not compared the solution to
others' (e.g. chunk size double of disk block, etc).

--
Jaume Sabater
http://linuxsilo.net/

"Ubi sapientas ibi libertas"