Re: ASM LUN sizes and number of disks
Date: Mon, 10 Nov 2008 09:33:00 +0000 (GMT)
Thanks for the leading questions maybe i should revisit my strategy
- On Fri, 7/11/08, Dennis Williams <oracledba.williams_at_gmail.com> wrote:
> From: Dennis Williams <oracledba.williams_at_gmail.com>
> Subject: Re: ASM LUN sizes and number of disks
> To: hrishys_at_yahoo.co.uk
> Cc: oracle-l_at_freelists.org
> Date: Friday, 7 November, 2008, 8:04 PM
> In general, System Administrators like few large disks and
> DBAs like many
> For anybody to give you a rule of thumb, they would need to
> know a lot more
> about your particular database and application.
> If I were you, the questions I would ask are:
> Is your performance satisfactory now?
> How many devices is your database spread over now?
> In the proposed configuration, how many devices would you
> If the proposed arrangement would not change your layout
> significantly, go
> for it.
> If you were, for example, dropping from 6 drives to 2, then
> you might
> well be concerned.
> How about disk controllers? Any change there? Cache?
> Dennis Williams