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From: Jay Strauss <me@heyjay.com>
To: Mike Hardy <mhardy@h3c.com>
Cc: Gordon Henderson <gordon@drogon.net>, linux-raid@vger.kernel.org
Subject: Re: Raid 1 install revealed poor HD performance (I think)
Date: Tue, 17 May 2005 15:51:26 -0500	[thread overview]
Message-ID: <428A594E.5080207@heyjay.com> (raw)
In-Reply-To: <428A2133.4080202@h3c.com>


> I was sure it would be DMA too :-). Wonder if multicount makes that much
> of a difference?

It doesn't, I tried just before leaving this morning.  No diff.

> 
> Either way, one of the first things I typically do on a server is add an
> hdparm line with whatever the disks need for that particular machine.

I don't understand the above "whatever the disks need" portion of this 
statement.  Can you give me a little more detail?

> So, even if you can't get your distribution to tune your IDE chipset and
> IDE hard drives perfectly, with something like multicount or write
> caching, its effective (IMHO) to just force your settings on boot.

What settings am I to force?  And to what values?  I guess I'm asking, 
are you saying just put the hdparm setting in a rc.local?  If so, I'm 
still stumped on what those settings need to be

Thanks
Jay

  reply	other threads:[~2005-05-17 20:51 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-17 15:11 Raid 1 install revealed poor HD performance (I think) Jay Strauss
2005-05-17 15:50 ` Gordon Henderson
2005-05-17 16:17   ` Jay Strauss
2005-05-17 16:23     ` Gordon Henderson
2005-05-17 16:52       ` Mike Hardy
2005-05-17 20:51         ` Jay Strauss [this message]
2005-05-17 20:54           ` Mike Hardy
2005-05-17 22:16             ` Tobias Hofmann
2005-05-17 23:00               ` Jay Strauss
2005-05-18  3:28               ` Jay Strauss
2005-05-17 22:45           ` Peter T. Breuer
2005-05-17 23:42 ` Henrik Holst
2005-05-18  3:30   ` Jay Strauss
2005-05-17 23:44 ` Henrik Holst
2005-05-19 15:32   ` Jay Strauss
2005-05-19 16:14     ` Mike Hardy
2005-05-19 18:40       ` Jay Strauss
2005-05-19 20:43         ` Mike Hardy
2005-05-20  1:43           ` Jay Strauss
     [not found] <Pine.LNX.4.44.0505180206580.1777-100000@coffee.psychology.mcmaster.ca>
2005-05-18 15:08 ` Mike Hardy

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