[lustre-discuss] benchmarking the lustre file system

Patrick Farrell paf at cray.com
Thu Aug 25 07:02:01 PDT 2016

Add my voice to what Ben said...

Might I also suggest putting your IOR issue here?  It's the accepted standard of benchmarking tools, so many, many people here will be familiar with it. No guarantee of help, but it might be worth a shot.

From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of Ben Evans <bevans at cray.com>
Sent: Thursday, August 25, 2016 8:46:35 AM
To: Pawel Dziekonski; lustre-discuss at lists.lustre.org
Subject: Re: [lustre-discuss] benchmarking the lustre file system

IIRC iozone does not use MPI, and has it's own config files, which can get
complex.  I found running something like xdd was more reliable and easier
to organize, though a little more care needs to be put into evaluating the
final results.  IOR is a much simpler and straightforward tool to use on a


On 8/25/16, 4:53 AM, "lustre-discuss on behalf of Pawel Dziekonski"
<lustre-discuss-bounces at lists.lustre.org on behalf of dzieko at wcss.pl>

>> I've recently encountered an issue with IOR and was wondering if
>> there were any other file system benchmarking tools that can be used
>> to test reads / writes to a lustre file system from multiple nodes.
>Pawel Dziekonski <pawel.dziekonski at wcss.pl>
>Wroclaw Centre for Networking & Supercomputing, HPC Department
>phone: +48 71 320 37 39, fax: +48 71 322 57 97, http://www.wcss.pl
>lustre-discuss mailing list
>lustre-discuss at lists.lustre.org

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