Re: Direct IO In RH 3.0

From: Mladen Gogala <mgogala_at_adelphia.net>
Date: Fri, 05 Mar 2004 08:55:08 -0500
Message-Id: <pan.2004.03.05.13.55.07.960611@adelphia.net>

On Thu, 04 Mar 2004 22:54:28 +1100, Noons wrote:

> "Mladen Gogala" <mgogala_at_adelphia.net> wrote in message
> news:pan.2004.03.04.04.43.45.457195_at_adelphia.net...
>
>

>> The program returns EINVAL ("invalid argument") on 2.4.25 kernel on both
>> ext3 and XFS. It works on ext2 and JFS. I have an empty disk partition and
>> I've been playing around with mkfs.

>
> Have you pursued the stuff we talked about
> in Oracle-L (try different values of BUFFSIZE
> and ALIGN matching ext3 block size or a multiple)?

Yes, I have. Also, oracle says that they only support 512 bytes aligned I/O, which is a problem, because I don't know of anything that supports that. They still haven't told me what file systems do support direct I/O with 10g.

-- 
Some people are only alive because it is illegal to shoot them.

Received on Fri Mar 05 2004 - 07:55:08 CST