RE: Oracle RAC backup hardware/software recommendation?
- To: <cmarquez@xxxxxxxxxxxxxxxx>, <mueller_m@xxxxxxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 29 Sep 2005 14:53:29 +0100
Well thought out and interesting response Chris.
I am interested in your point 3.
We don't use RAC (well I don't!!) but do have occasions when we restore
archived log files from the MML/Tape Robot when they were backed up on
Client A and the database is now on Client B. (cluster and the databse
has failed over to the alternate node). We do not have to mess around
with the MML config, we just ensure that the NSR_CLIENT is set correctly
and privileges are correct within Networker (or whichever MML you will
be using)
Have I misunderstood your point or is it RAC specific?
John
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Marquez, Chris
Sent: 29 September 2005 14:09
To: mueller_m@xxxxxxxxxxxxx; oracle-l@xxxxxxxxxxxxx
Subject: RE: Oracle RAC backup hardware/software recommendation?
...
3.) On the same note as #2 above learn now that Oracle-RMAN sees a
"backup" as a whole...a single logical unit, while *ANY* MML sees
individual pieces of data from a client (machine). This becomes
critical when you are trying to restore *ALL* (local) arch log files at
one time from two DIFFERENT clients...or you are trying to restore all
the datafiles backed up from RAC-node A to RAC-node B. These are the
same database and RMAN backup, but different clients as far as the MML
is concerned. Server "spoofing" with MML config files is a must "know"
with RAC and MML.
hth
Chris Marquez
Oracle DBA
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