Re: Automatic Mirroring of Rollback Segment(s) and Control File

From: Mladen Gogala <gogala_at_sbcglobal.net>
Date: Wed, 04 May 2005 22:59:08 GMT
Message-ID: <pan.2005.05.04.22.59.08.639607@sbcglobal.net>

On Tue, 03 May 2005 14:48:36 -0700, Meh-Lit Kim wrote:

> Oracle's documentation mentions that it can automatically mirror online
> Transaction Logs.

It does indeed.

>
> I'd like to know if Oracle can be configured to mirror the Rollback
> segment(s), or do we have to rely on mirrored disks to avoid having
> single point of failure for rollback segment(s) ?

No need for mirrored disks. LVM mirrored file systems will be perfectly OK.

>
> What about Oracle's control file ? Can they be automatically mirrored
> and updated when they change ? (The doc seems to imply that one has to
> manually copy Oracle's control file)

Documentation says something about this, too.

-- 
Egoist: A person of low taste, more interested in themselves than in me.

Received on Wed May 04 2005 - 17:59:08 CDT