Re: ASM for single-instance 11g db server?

From: Robert Klemme <>
Date: Mon, 04 Apr 2011 22:07:42 +0200
Message-ID: <>

On 04.04.2011 15:10, Mladen Gogala wrote:
> On Mon, 04 Apr 2011 05:32:31 -0700, John Hurley wrote:
>> You can "always" still fight thru setting up and using RAW type storage
>> and avoid operating system overhead of file systems on linux if you want
>> to.
> You can avoid that overhead with file systems, too. Use direct I/O and
> there you have it. Oracle has filesystemio_options parameter since the
> version 9i.

Well, that would get rid of the OS level caching but not the file system overhead (managing inodes, blocks etc.).

IIRC on Linux you would have to combine direct IO with raw device access to completely avoid OS level caching *and* FS overhead.

Kind regards


remember.guy do |as, often| as.you_can - without end
Received on Mon Apr 04 2011 - 15:07:42 CDT

Original text of this message