From: Wolfgang Denk <wd@denx.de>
To: Stan Hoeppner <stan@hardwarefreak.com>
Cc: Christoph Hellwig <hch@infradead.org>, linux-raid@vger.kernel.org
Subject: Re: Optimize RAID0 for max IOPS?
Date: Wed, 26 Jan 2011 09:42:24 +0100 [thread overview]
Message-ID: <20110126084224.4E6E3CEA577@gemini.denx.de> (raw)
In-Reply-To: <4D3FDC31.3010502@hardwarefreak.com>
Dear Stan Hoeppner,
In message <4D3FDC31.3010502@hardwarefreak.com> you wrote:
>
> > # lvcreate -L 32G -n test castor0
> > Logical volume "test" created
> > # mkfs.xfs /dev/mapper/castor0-test
>
> Is this on that set of 4 low end Maxtor disks? Is the above LV sitting atop
> RAID 0, RAID 5, or concatenation?
No, this is the other system, using 6 x Seagate ST31000524NS on a
Marvell MV88SX6081 8-port SATA II PCI-X Controller.
LVM is sitting on top of a RAID6 here:
md2 : active raid6 sda[0] sdi[5] sdh[4] sde[3] sdd[2] sdb[1]
3907049792 blocks super 1.2 level 6, 16k chunk, algorithm 2 [6/6] [UUUUUU]
> Try adding some concurrency, say 8, to bonnie++ and retest both XFS and ext4.
OK, will do.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de
The price of curiosity is a terminal experience.
- Terry Pratchett, _The Dark Side of the Sun_
next prev parent reply other threads:[~2011-01-26 8:42 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-18 21:01 Optimize RAID0 for max IOPS? Wolfgang Denk
2011-01-18 22:18 ` Roberto Spadim
2011-01-19 7:04 ` Wolfgang Denk
2011-01-18 23:15 ` Stefan /*St0fF*/ Hübner
2011-01-19 0:05 ` Roberto Spadim
2011-01-19 7:11 ` Wolfgang Denk
2011-01-19 8:18 ` Stefan /*St0fF*/ Hübner
2011-01-19 8:29 ` Jaap Crezee
2011-01-19 9:32 ` Jan Kasprzak
2011-01-19 7:10 ` Wolfgang Denk
2011-01-19 19:21 ` Wolfgang Denk
2011-01-19 19:50 ` Roberto Spadim
2011-01-19 22:36 ` Stefan /*St0fF*/ Hübner
2011-01-19 23:09 ` Roberto Spadim
2011-01-19 23:18 ` Roberto Spadim
2011-01-20 2:48 ` Keld Jørn Simonsen
2011-01-20 3:53 ` Roberto Spadim
2011-01-21 19:34 ` Wolfgang Denk
2011-01-21 20:03 ` Roberto Spadim
2011-01-21 20:04 ` Roberto Spadim
2011-01-24 14:40 ` CoolCold
2011-01-24 15:25 ` Justin Piszcz
2011-01-24 20:48 ` Wolfgang Denk
2011-01-24 21:57 ` Wolfgang Denk
2011-01-24 23:03 ` Dave Chinner
2011-01-25 7:39 ` Emmanuel Florac
2011-01-25 8:36 ` Dave Chinner
2011-01-25 12:45 ` Wolfgang Denk
2011-01-25 12:51 ` Emmanuel Florac
2011-01-24 20:43 ` Wolfgang Denk
2011-01-25 17:10 ` Christoph Hellwig
2011-01-25 18:41 ` Wolfgang Denk
2011-01-25 21:35 ` Christoph Hellwig
2011-01-26 7:16 ` Wolfgang Denk
2011-01-26 8:32 ` Stan Hoeppner
2011-01-26 8:42 ` Wolfgang Denk [this message]
2011-01-26 9:38 ` Christoph Hellwig
2011-01-26 9:41 ` CoolCold
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