backup backupset over multiple channels in RAC
- From: tomi wijanto <restomi_w@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 10 Nov 2004 22:30:22 -0800 (PST)
Hi All,
I have procedure to backup RAC database using multiple
channels to disk (each channel for different
instance).
Now, i try to backup backupset to tape, but failed.
If i connect to first instance, rman said that it
cannot find backupset that actually located in second
instance's node.
I'm using oracle 9.2.0.3, ibm tivoli.
The rman backup backupset command is like this:
run {
allocate channel sbt_tape_1 type 'sbt_tape'
connect='user/pwd@node1' parms
'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
allocate channel sbt_tape_2 type 'sbt_tape'
connect='user/pwd@node2' parms
'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
backup backupset completed after 'sysdate-1';
}
The questions are:
- Is there any limitation of 'backup backupset' to
spread over multiple instances in RAC?
- If so, should i only backup from one node to disk?
(i spread them because backup of database from
multiple instances is faster than single instance)
regards,
tomi
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