backup backupset over multiple channels in RAC

From: tomi wijanto <restomi_w_at_yahoo.com>
Date: Wed, 10 Nov 2004 22:30:22 -0800 (PST)
Message-ID: <20041111063022.57050.qmail@web52010.mail.yahoo.com>

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_at_node1' parms
'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
allocate channel sbt_tape_2 type 'sbt_tape' connect='user/pwd_at_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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Received on Thu Nov 11 2004 - 00:25:59 CST