Re: How to backup ASM?

From: Laurenz Albe <invite_at_spam.to.invalid>
Date: 05 Dec 2005 12:47:14 GMT
Message-ID: <1133786828.451335@proxy.dienste.wien.at>

Jining Han <jining.han_at_gmail.com> wrote:
> ASM instance is not the same as ASM diskgroups/disk files. The ASM
> instance itself does not contain a dictionary, and nothing much else,
> either.
>
> However, after you have cleared all the metadata information from the
> disks, they are no longer recognizable as ASM disks, therefore
> leading to what you called "ASM instance corruption".
>
> What needs to be done is to start the ASM instance with NOMOUNT,
> re-create the DISKGROUPS and perform a database restore.

Thank you and Kenneth for your answers.

It is a pity that there is no 'automatic' restore of that information, e.g. via RMAN.

Yours,
Laurenz Albe Received on Mon Dec 05 2005 - 06:47:14 CST