RE: how many CSS deamons required per DB
- From: "Bort, Guillermo" <guillermo.bort@xxxxxxx>
- To: <hrishys@xxxxxxxxxxx>, "Martin Berger" <martin.a.berger@xxxxxxxxx>
- Date: Mon, 1 Dec 2008 06:01:28 -0600
Agreed, however having listener downtime (needed for upgrade to ASM home) is as
hard because it would effectiveley deny access to database. An argument can be
made to support using the RDBMS Home listener during the upgrade of the ASM
home... Still, I think that applying patchsets to Oracle RDBMS is a good idea,
as well as applying CPUs. And any other issue where you might need to apply a
patch for a certain database (one off for a bug?) would imply shutting down
every instance on the home.
So to guarantee maximum availability you should separate each database in its
own home (which would give most DBAs a headache, but has *certain* advantages).
This means greater flexibility, but in the eventuality that you need to apply a
patchset, you'd have to do it five times over.
hth
Guillermo Alan Bort
DBA / DBA Main Team
EDS, an HP company
-----Original Message-----
From: hrishy [mailto:hrishys@xxxxxxxxxxx]
Sent: Monday, December 01, 2008 9:57 AM
To: Martin Berger; Bort, Guillermo
Cc: oracle-l@xxxxxxxxxxxxx
Subject: RE: how many CSS deamons required per DB
Hi
Why not the listener from ASM home.
My reasoning is as a Operational DBA (as opposed to a application DBA in this
project)i can always upgrade the ASM to the latest version in terms of patches
etc and can have my listener css etc upgraded to teh latest version.
I would not be so lucky trying to wade through the beurcracry of patching the
Oracle home as the databases belong to different line of Business and try to
convince everybody would be tough for me
regards
Hrishy
--- On Mon, 1/12/08, Bort, Guillermo <guillermo.bort@xxxxxxx> wrote:
> From: Bort, Guillermo <guillermo.bort@xxxxxxx>
> Subject: RE: how many CSS deamons required per DB
> To: hrishys@xxxxxxxxxxx, "Martin Berger" <martin.a.berger@xxxxxxxxx>
> Cc: oracle-l@xxxxxxxxxxxxx
> Date: Monday, 1 December, 2008, 11:38 AM
> Right for CSS, wrong for listener. In my experience,
> it's bettet to run listener from the DB home. Actually,
> come to think of it... I think I never run listener from
> another home.
>
> Guillermo Alan Bort
> DBA / DBA Main Team
>
> EDS, an HP company
>
> -----Original Message-----
> From: oracle-l-bounce@xxxxxxxxxxxxx
> [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of hrishy
> Sent: Monday, December 01, 2008 9:23 AM
> To: Martin Berger
> Cc: oracle-l@xxxxxxxxxxxxx
> Subject: Re: how many CSS deamons required per DB
>
> Hi Martin
>
> I am planning to use
>
> One Oracle home for my ASM instance
> and another oracle home for all my Db Currently 5 of them
>
> But i prefer to run my listeners and CSS from ASM home is
> my idea right ?
>
> regards
> Hrishy
>
>
>
>
> --
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