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From: Matthew Schumacher <matt.s@aptalaska.net>
To: linux-scsi@vger.kernel.org
Subject: Re: new kernel = megaraid performance cut in half
Date: Tue, 14 May 2002 01:05:29 -0800	[thread overview]
Message-ID: <3CE0D359.9070800@aptalaska.net> (raw)
In-Reply-To: E177YUg-0007Tf-00@the-village.bc.nu

Alan,

I am running exactly 1g of ram in the machine.  Is there a way to apply 
those patches manually or should I get the kernel-2.4.18-4.i686.rpm from 
here: http://rhn.redhat.com/errata/RHBA-2002-085.html.

Thanks for the quick response.

schu

Alan Cox wrote:
>>running redhat 7.2.  I was using the default kernel but I decided to 
>>upgrade to 2.4.18 to get the new VM code and for some quota fixes. 
>>Anyway, I compiled the kernel and the machine boots fine but my disk 
>>speed cut in half.
> 
> 
> Do you have large amounts of memory ? The Red Hat kernel includes patches
> that vastly up performance of DMA capable controllers when more than 1Gb
> of RAM is in use.
> 
> Alan




  reply	other threads:[~2002-05-14  9:05 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-14  8:55 new kernel = megaraid performance cut in half Matthew Schumacher
2002-05-14  9:21 ` Alan Cox
2002-05-14  9:05   ` Matthew Schumacher [this message]
2002-05-14  9:30     ` Alan Cox
2002-05-14  9:48       ` Matthew Schumacher
2002-05-14 10:43         ` Alan Cox
2002-05-16  8:50 ` Mikael Abrahamsson
2002-05-16 16:39   ` Matthew Schumacher
2002-05-16 18:09     ` Alan Cox
2002-05-16 18:59       ` Matthew Schumacher

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