Re: Multiple Instance in Unix
Date: Fri, 7 Aug 2009 16:44:23 +0800
Message-ID: <c906cd460908070144x2e9090ebp2edf0fc9562f112d_at_mail.gmail.com>
Hi Mark,
Thanks for the swift reply. Appreciate it.
But if re-set ORACLE_SID to the new SID and keep the ORACLE_HOME, how would I access to the first instance? Change ORACLE_SID back to the old SID whenever is needed?
~ Amir
On Fri, Aug 7, 2009 at 4:25 PM, Bobak, Mark <Mark.Bobak_at_proquest.com> wrote:
> Hi Amir,
>
> This is a common practice. There is no need to create a new OS user. You
> can even create a new database under the same Oracle home.
>
> The thing to keep in mind is that the combination of ORACLE_SID and
> ORACLE_HOME need to be unique. So, that will uniquely identify an instance
> on a host, and then that instance's pfile/spfile will point to your
> database's control file(s). In that way, your new instance will clearly
> identify which database it will mount and open.
>
> Hope that helps,
>
> -Mark
> ________________________________________
> From: oracle-l-bounce_at_freelists.org [oracle-l-bounce_at_freelists.org] On
> Behalf Of Amir Gheibi [gheibia_at_gmail.com]
> Sent: Friday, August 07, 2009 4:18
> To: ORACLE-L
> Subject: Multiple Instance in Unix
>
> Hi listers,
>
> I have a HP Unix box that has Oracle 10g R2 installed on it. There is
> already an instance running and a database attached to it.
> I need to create another instance and database. There is no X Server
> installed on the OS. I created the first database through command line.
>
> My question is whether I have to create another OS user in order to create
> the new instance? Or I can use the same OS user (oracle:dba) to create the
> new instance? As I need to set environment variables then if I use the same
> OS user, what would happen to the first instance?
>
> Is there a guideline on how to do this?
>
> Thanks.
>
> ~ Amir Gheibi
>
>
-- http://www.freelists.org/webpage/oracle-lReceived on Fri Aug 07 2009 - 03:44:23 CDT