Re: Multiple installed versions of Oracle
- From: Jared Still <jkstill@xxxxxxxxx>
- To: tracy.rahmlow@xxxxxxxx
- Date: Tue, 5 Apr 2005 09:45:23 -0800
On Apr 5, 2005 6:55 AM, Tracy Rahmlow <tracy.rahmlow@xxxxxxxx> wrote:
>
>
> Several occasions where server and db crashed due to dba administering db
> in an incorrect manner. IE mistook one version for the other. Applied
> the incorrect maintenance patch to the incorrect instance.
>
> Several occasions where db versions did not play nice together 7.3.4 and
> 8i.
I would like to be the HW sales engineer for these companies.
If I were it would behoove me to foster this attitude to the fullest
extent, so here goes:
If at all possible, never run more than one instance on a single server.
The minimum SGA for an instance is 4 gig, but only on severely
limited budgets.
The number of CPU's should be determined by the number of users:
Users CPU Count
----------------------
1 2
2-5 4
6-10 8
10-20 16
20+ 32+
Under no circumstances should multiple versions of Oracle
be installed on single server.
This would have a severe impact on the bottom line.
( mine of course )
-----
Though we're not really adhering to that advice around here. ;)
--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
--
//www.freelists.org/webpage/oracle-l
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