Re: RE: ASM+internal disks

  • From: Niall Litchfield <niall.litchfield@xxxxxxxxx>
  • To: vishal@xxxxxxxxxxxxxxx
  • Date: Tue, 26 Apr 2011 17:45:39 +0100

I'm struggling to work out how this behaviour affects the design choice  in
storage layout.

On 26 Apr 2011 17:17, "Vishal Gupta" <vishal@xxxxxxxxxxxxxxx> wrote:

 On RHEL5, CFQ i/o scheduler is broken. Under heavy load performance
improves with deadline i/o scheduler. On RHEL4 it does not give much
benefit. There is linux bug for broken CFQ on RHEL5.

Vishal Gupta

*From:* oracle-l-bounce@xxxxxxxxxxxxx on behalf of Kevin Closson
*Sent:* Tue 26/04/2011 16:45
*To:* Oracle-L

Subject: Re: ASM+internal disks

Here's how I look at this. The following are true 1) there is no networked
storage so all disks are ...

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