Re: Having both dbwr_io_slaves and disk_asynch_io set
- From: Jared Still <jkstill@xxxxxxxxx>
- To: richard.c.ji@xxxxxxxxx
- Date: Wed, 8 Dec 2004 08:58:49 -0800
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@xxxxxxxxx> 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.
> --
> //www.freelists.org/webpage/oracle-l
>
--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
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