From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roman Mamedov <roman@rm.pp.ru>
Subject: Re: Write-intent bitmap decreases or increase performance of RAID5?
Date: Fri, 2 Jul 2010 02:50:11 +0600
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To: "Majed B." <majedb@gmail.com>
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On Thu, 1 Jul 2010 23:30:26 +0300
"Majed B." <majedb@gmail.com> wrote:

> How much RAM does your machine have?
>=20
> Write to the disk an amount that is larger than the amount of RAM and
> see if you get the same result.
>=20
> Also you can use hdparm to flush the caches before running dd the 2nd tim=
e.

Here we go again. Read up on what conv=3Dfdatasync means, and why cache is
irrelevant in this test.

--=20
With respect,
Roman

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