Re: Best storage for snapshot controlfile on 11.2.0.2 RAC

From: Adric Norris <landstander668_at_gmail.com>
Date: Wed, 20 Jul 2011 15:43:47 -0500
Message-ID: <CAJueESpfHfio6OyQfg8jHvf4XZr1q3z0RnDeTuQknxZc_J90WA_at_mail.gmail.com>

We're using ASM here, for the simple reason that it's the only form of shared storage available in the relevant cluster. It's pretty easy to configure.

RMAN> configure snapshot controlfile name to '+DISKGROUP/dbname/controlfile/snapcf_dbname.f';

On Wed, Jul 20, 2011 at 15:35, Yong Huang <yong321_at_yahoo.com> wrote:

> According to Note 1268725.1 and Bug 10263733, on 11.2.0.2 RAC, the
> snapshot controlfile used during RMAN backup must be placed on shared
> storage. I've searched on MOS and Internet for what type of shared
> storage is commonly used and their pros/cons, without success. What
> would you use?
>
> 1. Raw disk (may be outdated in Linux)
> 2. ASM (how?)
> 3. ACFS (any bugs related to this?)
> 4. NFS
> 5. OCFS
> 6. third party shared filesystem
>
> ASM may be the most natural choice, if supported, and the RMAN command
> would probably be
> configure snapshot controlfile name to '+DATA/...'
>
> Yong Huang
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

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Received on Wed Jul 20 2011 - 15:43:47 CDT