Hi Lex,
If you are using Lustre for small files, another blog post of mine would
be helpful. Have a look at
http://blogs.sun.com/atulvid/entry/improving_performance_of_small_files
The post includes some tips on improving performance of small files and
also has recommendations on tools to use fo
That was my mistake, i know the disadvantage / advantage of using stripe or
not, but ...it was that. I am finding the way to re-arrange our small files
and soft links. Do you have any hint ?
> If you are using small files, you shouldn't be striping your files over
> multiple OSTs. That is increa
did you measure the performance of this system before lustre?
> specifically
Tell me exactly what information useful for you to help me diagnose our
problem, plz
, your symptoms make it look like your disk system
> can't handle the load. since you have lots of small activity,
> the issue wouldn
On 2010-02-01, at 08:29, Lex wrote:
> I have 8 OSSs and 8 OSTs. Hadware info:
>
> CPU Intel(R) xeon E5420 2.5 Ghz Chipset intel 5000P
> 8GB RAM
> 8 x 1.5TB hard disks, divided into 2 arrays with raid controller
> adaptec 5805
>
> We using 2 x 1Gigabit Ethernet card with linux bonding ( OS is
>
From: Lex
Date: Mon, Feb 1, 2010 at 10:28 PM
Subject: Re: [Lustre-discuss] High difference in I/O network traffic in
lustre client
To: Mag Gam
I have 8 OSSs and 8 OSTs. Hadware info:
CPU Intel(R) xeon E5420 2.5 Ghz Chipset intel 5000P
8GB RAM
8 x 1.5TB hard disks, divided into 2 arrays with ra
