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Re: Having both dbwr_io_slaves and disk_asynch_io set

From: Jared Still <jkstill_at_gmail.com>
Date: Wed, 8 Dec 2004 08:58:49 -0800
Message-ID: <bf4638041208085876be09b5@mail.gmail.com>


I haven't worked on Solaris in awhile, so I don't n know if the following is true on your version of Solaris or not. I  believe I last tested it on 2.6 or 2.7.

Enabling disk_io_sync on Solaris does not not cause async IO on filesytems, only on raw disk.

You may want to investigate.

Jared

On Mon, 6 Dec 2004 22:21:10 -0500, Richard Ji <richard.c.ji_at_gmail.com> wrote:
> I found out on a database (8174, Solaris 8 Sparc, EMC) that I use,
> while disk_asynch_io is set to true, the dbwr_io_slaves is set to non zero, 6.
> And I am seeing a lot of "slave wait" events. The two obviously conflicts and
> I wonder what kind of effect this have caused when both are enabled.
>
> Thanks.
> --
> http://www.freelists.org/webpage/oracle-l
>

-- 
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
--
http://www.freelists.org/webpage/oracle-l
Received on Wed Dec 08 2004 - 10:59:16 CST

Original text of this message

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