From: Stan Hoeppner <stan@hardwarefreak.com>
To: Phillip Susi <psusi@ubuntu.com>, Larry Fenske <LFenske@SGI.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Very long raid5 init/rebuild times
Date: Tue, 04 Feb 2014 12:43:31 -0600 [thread overview]
Message-ID: <52F134D3.20704@hardwarefreak.com> (raw)
In-Reply-To: <52F12CA0.1030803@ubuntu.com>
On 2/4/2014 12:08 PM, Phillip Susi wrote:
> Or the obvious and dropping the cache first, the way hdparm -t does.
"hdparm -t" is a read test.
Everything we've been discussing has been about maximizing write
throughput. The fact that you argue this at this point makes it crystal
clear that you don't have no understanding of the differences in the
read/write paths and how buffer cache affects each differently. Further
discussion is thus pointless.
--
Stan
next prev parent reply other threads:[~2014-02-04 18:43 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-21 7:35 Very long raid5 init/rebuild times Marc MERLIN
2014-01-21 16:37 ` Marc MERLIN
2014-01-21 17:08 ` Mark Knecht
2014-01-21 18:42 ` Chris Murphy
2014-01-22 7:55 ` Stan Hoeppner
2014-01-22 17:48 ` Marc MERLIN
2014-01-22 23:17 ` Stan Hoeppner
2014-01-23 14:28 ` John Stoffel
2014-01-24 1:02 ` Stan Hoeppner
2014-01-24 3:07 ` NeilBrown
2014-01-24 8:24 ` Stan Hoeppner
2014-01-23 2:37 ` Stan Hoeppner
2014-01-23 9:13 ` Marc MERLIN
2014-01-23 12:24 ` Stan Hoeppner
2014-01-23 21:01 ` Marc MERLIN
2014-01-24 5:13 ` Stan Hoeppner
2014-01-25 8:36 ` Marc MERLIN
2014-01-28 7:46 ` Stan Hoeppner
2014-01-28 16:50 ` Marc MERLIN
2014-01-29 0:56 ` Stan Hoeppner
2014-01-29 1:01 ` Marc MERLIN
2014-01-30 20:47 ` Phillip Susi
2014-02-01 22:39 ` Stan Hoeppner
2014-02-02 18:53 ` Phillip Susi
2014-02-03 6:34 ` Stan Hoeppner
2014-02-03 14:42 ` Phillip Susi
2014-02-04 3:30 ` Stan Hoeppner
2014-02-04 17:59 ` Larry Fenske
2014-02-04 18:08 ` Phillip Susi
2014-02-04 18:43 ` Stan Hoeppner [this message]
2014-02-04 18:55 ` Phillip Susi
2014-02-04 19:15 ` Stan Hoeppner
2014-02-04 20:16 ` Phillip Susi
2014-02-04 21:58 ` Stan Hoeppner
2014-02-05 1:19 ` Phillip Susi
2014-02-05 1:42 ` Stan Hoeppner
2014-01-30 20:36 ` Phillip Susi
2014-01-30 20:18 ` Phillip Susi
2014-01-22 19:38 ` Opal 2.0 SEDs on linux, was: " Chris Murphy
2014-01-21 18:31 ` Chris Murphy
2014-01-22 13:46 ` Ethan Wilson
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