RE: Linux RAC and asynch io/IO slaves
- From: "Parker, Matthew" <matthewp@xxxxxxxxxx>
- To: <RROGERS@xxxxxxxxxxxxx>, <thump@xxxxxxxxxxxxxxxx>
- Date: Fri, 14 Jan 2005 18:09:13 -0800
ae_debug_util;
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx =
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Ron Rogers
Sent: Friday, January 14, 2005 11:04 AM
To: thump@xxxxxxxxxxxxxxxx
Cc: cmarquez@xxxxxxxx; Parker, Matthew; oracle-l@xxxxxxxxxxxxx
Subject: RE: Linux RAC and asynch io/IO slaves
Chris,
I found this white paper from metalink to be helpful.
Asynchronous I/O (aio) on RedHat Advanced Server=20
Version 2.1 - 3.0 (Note:225751.1)
http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_da=
tabase_id=3DNOT&p_id=3D225751.1
Ron
>>> "David" <thump@xxxxxxxxxxxxxxxx> 01/14/2005 1:05:03 PM >>>
Everything I have read advocates aio on RHAS 3.0.
I have heard also it can cause crashes and corruption, but found no meat =
to that statement no open bugs for 9205/9206 on rhas 3.0 Anyone with any =
hard facts as to real issues or successes?
Anyone done an IO slave implementation in Linux/RAC?
IO slaves in many ways are more robust and multi purpose than asych IO =
functionality...but I'm wondering how that performs with RAC.
Yes, I would and will test either or both before consideration with =
prod, but looking for others insights if they have been down the road.
--
..
David
>>
>> Matthew,
>>
>>>>bugs related to 9i RAC on Linux and asynch io
>>
>> Can you point to any (bugs) specifically or should I just search=20
>> Metalink?
>>
>> I was considering enabling this for my 9iRAC/RHEL3ES...Oracle=20
>> (marketing, presentations) imply that I should be doing this.
>> Frankly Oracle Corp. takes much credit for helping RH/Linux get to=20
>> async-IO?
>>
>> Thanks,
>>
>> Chris Marquez
>> Oracle DBA
>> HEYMONitor(tm) - heymonitor.com
>> "Oracle Monitoring & Alerting Solution"
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