RE: Linux OCFS/OCFS2 alternatives for RAC shared storage systems?
Date: Wed, 12 Dec 2012 15:05:49 -0600
Message-ID: <F05D8DF1FB25F44085DB74CB916678E885682453C2_at_NADCWPMSGCMS10.hca.corpad.net>
So it's my understanding that you have to be on 11.2 Grid Infrastructure, correct? We're getting to 11.2 GI but it is still sometime in the future.
I'm a bit wary of using a clustered filesystem built by a database company compared to a clustered filesystem technology built (or designed) by a group that focuses on filesystem technologies (though perhaps such a filesystem technology doesn't really exist).
I got burned using OCFS (performing a "routine" upgrade) many years ago and still don't like it as it seems less than awesome.
Chris
From: Andrew Kerber [mailto:andrew.kerber_at_gmail.com]
Sent: Wednesday, December 12, 2012 2:53 PM
To: Taylor Christopher - Nashville
Cc: oracle-l_at_freelists.org
Subject: Re: Linux OCFS/OCFS2 alternatives for RAC shared storage systems?
Yes, it is. You can add space to ASM with the database up. Also, you can run 11gr2 clusterware and ASM with a 10.2 database in which case you can use ACFS to store files in addition to the database files. On Wed, Dec 12, 2012 at 2:46 PM, <Christopher.Taylor2_at_parallon.net<mailto:Christopher.Taylor2_at_parallon.net>> wrote: Nope, not yet. And this is a 10.2.0.4 RAC system so is ASM filesystem applicable?
Chris
From: Andrew Kerber [mailto:andrew.kerber_at_gmail.com<mailto:andrew.kerber_at_gmail.com>]
Sent: Wednesday, December 12, 2012 2:41 PM
To: Taylor Christopher - Nashville
Cc: oracle-l_at_freelists.org<mailto:oracle-l_at_freelists.org>
Subject: Re: Linux OCFS/OCFS2 alternatives for RAC shared storage systems?
Have you used ASM?
On Wed, Dec 12, 2012 at 1:56 PM, <Christopher.Taylor2_at_parallon.net<mailto:Christopher.Taylor2_at_parallon.net>> wrote:
I'm curious if anyone uses anything other than OCFS/OCFS2 filesystems for their RAC shared storage areas?
It seems that OCFS (our version anyway) is not extendable unless you take it offline. A key point for me would be a clustered filesystem that is dynamically growable as needed.
Anyone have any thoughts on the matter?
Chris Taylor
Oracle DBA
Parallon IT&S
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Andrew W. Kerber
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Received on Wed Dec 12 2012 - 22:05:49 CET