Re: ASM Question - Best Practice

Palooka wrote:
> Our application will likely use Oracle 10g (probably 10.2.0.4) on AIX
> v6, using an EMC Symmetrix SAN. The environment doesn't exist yet - we
> are at the planning stage.
>
> The intention is to use ASM. So first question: The mirroring can be
> done within ASM; i.e. by Oracle, or we can do it at the SAN level.
>
> Any advice or recommendations as to which is likely to be better?
> Availability and resilience will probably rank ahead of performance in
> terms of user requirements.
>
> Thanks,
> Palooka

Why use ASM at all?

- nothing in ASM that cannot be done, using filesystems.
- a lot of the stuff SAN does, does ASM (and vice versa)
- in 10G, it's a bug pit.

I'd reconsider.

And read up on redundancy level.

-- 

Regards,
Frank van Bortel