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Re: RAID-1 performance under 2.4 and 2.6
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From:
Emmanuel Florac <eflorac@...>
To: Bart Van Assche <bart.vanassche@...>
Cc: Chris Snook <csnook@...>, <linux-kernel@...>
Subject:
Re: RAID-1 performance under 2.4 and 2.6
Date: Wednesday, March 26, 2008 - 3:56 am
Le Wed, 26 Mar 2008 08:15:15 +0100 vous écriviez:
quoted text
> If you want to benchmark write speed, you should add > oflag=direct,dsync to the dd command line. For benchmarking read speed > you should specify iflag=direct. Or, even better, you can use xdd with > the flags -dio -processlock.
Thanks for the tip, I'll try these. -- -------------------------------------------------- Emmanuel Florac
www.intellique.com
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Messages in current thread:
RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Tue Mar 25, 2:43 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 4:42 am)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 7:07 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 7:15 am)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 8:36 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Thu Mar 27, 6:03 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 9:22 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Tue Mar 25, 6:37 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Tue Mar 25, 6:00 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 3:15 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Thu Mar 27, 5:53 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Fri Mar 28, 3:44 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Fri Mar 28, 8:04 am)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 3:56 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Tue Mar 25, 6:47 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Tue Mar 25, 7:13 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Pádraig Brady
, (Wed Jul 16, 10:52 am)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Wed Jul 16, 2:18 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Tue Mar 25, 7:42 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Wed Mar 26, 12:39 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 4:05 am)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Wed Mar 26, 12:51 pm)
Re: RAID-1 performance under 2.4 and 2.6
, "J.A. Magallón"
, (Wed Mar 26, 4:25 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Thu Mar 27, 5:49 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Tue Mar 25, 6:09 pm)
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