RE: Re[1]:AIX and Largefiles Performance
- From: "Rich Holland" <holland@xxxxxxxxxxxxxxxx>
- To: "'Prem Khanna J'" <premj@xxxxxxxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 12 Jul 2004 13:02:36 -0400
I'm still using 2G files, even though I've got big files enabled. You never
know when you're going to come across something (e.g. /usr/bin/tar) that
doesn't like files larger than 2G.. I have a relatively small (< 0.5TB)
database though..
Rich
--
Rich Holland (913) 645-1950 SAP Technical Consultant
print unpack("u","92G5S\=\"!A;F]T:&5R(\'!E<FP\@:&%C:V5R\"\@\`\`");
_____
From: Prem Khanna J [mailto:premj@xxxxxxxxxxxxxx]
Sent: Sunday, July 11, 2004 11:19 PM
To: oracle-l@xxxxxxxxxxxxx
Cc: Rich Holland
Subject: Re[1]:AIX and Largefiles Performance
Rich , we have a similar env (oracle 9.2.0.4/AIX5.2).
what would be your suggestion max datafile size in case of JFS ?
Thanks and Regards,
Prem.
On Sat, 10 Jul 2004 Rich Holland wrote :
>Byron,
>
>Any chance you can forward the tuning paper along? I'm interested in reading
a >copy. I'm currently running half a dozen ERP systems on Oracle 9204, AIX
>51-003 and having no problems with the bf option on native JFS. From the tiny
>bit of reading I've done about JFS2, I'd worry more about performance there
>than via JFS -- I made the decision early on to stick with JFS, and haven't
>been disappointed. We've survived multiple power outage crashes, fibre
channel
>disconnections, etc. It's been solid, and performed well -- we're using a
pair >of FCS adapters to SAN disk on an EMC via FC switches, and to be honest I
don't >think the client can generate enough workload to really stress the I/O
>configuration here... :-)
>
>Rich
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