We are in the process of implementing the same type of architecture. Without
going into details, the amount of data that the RMAN database needs to keep
track of is a couple hundred MB (I'm not sure how your DBAs came up with
that 36 GB). The Oracle app with 2 versions and tables fits nicely in a 5 GB
partition. We have not gone into full production but the impact on
performance during testing has been barely measurable.
I was skeptical at first but I feel that our DR plan is improved by having
the RMAN databases located on the ADSM server.
Ken
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> CANNAM, CYNTHIA L (SBCSI)
> Sent: Thursday, September 14, 2000 11:29
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: oracle tdp/rman/rman repository issues
>
>
> To all:
>
> Environment: AIX 4.3.3
> TSM server 3.7.3
> Oracle TDP 3.7.1
> Oracle 8.1.5/6
> TSM client V3.7.2 on AIX 4.3.3
>
> We've been trying to get some historical data (if any is
> available) for the
> impact an Oracle repository will have on TSM if the repository will reside
> ON the TSM server. One of our DBAs is telling us that RMAN requires a
> central repository (which is comprised of 36 GBs of disk housing Oracle
> binaries, oraarch, oradata, and DBA home directories) that should
> reside on
> our AIX TSM server.
>
> We have numerous issues (all of which we have voiced loudly) with
> this piece
> of Oracle residing on our TSM server, but in absence of hard data stating
> that this move is a disaster waiting to happen, we're powerless
> to stop its
> going forward. The edict from management is: let the Oracle people have
> their way.
>
> Is anyone out there using the Oracle TDP with AIX (or other
> platforms) going
> to an AIX TSM server where this RMAN repository physically resides on the
> TSM server itself? Would you be willing to share your experiences, good or
> bad, with us, to help us make a case for keeping this repository from
> residing on the TSM server? Gut feeling and experience with the TSM
> environment are not enough on which to base a final decision.
>
> Thanks much!
>
> Cindy Cannam
>
> Cynthia L. (Cindy) Cannam, MBA
> Enterprise Storage Management
> TSM/ADSM Technical Support
> SBC Services, Inc.
> (314)340-0722 office
> (888)476-0998 pager
> (314)340-0992 fax
> Nearly Native Floridian
> Freezing in the Midwest
>
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