Re: RE: ASM+internal disks

From: Niall Litchfield <>
Date: Tue, 26 Apr 2011 17:45:39 +0100
Message-ID: <>

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

On 26 Apr 2011 17:17, "Vishal Gupta" <> 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:* 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 ...

Received on Tue Apr 26 2011 - 11:45:39 CDT

Original text of this message