Networker

[Networker] slow rman backup in 7.4.3

2009-01-08 08:19:47
Subject: [Networker] slow rman backup in 7.4.3
From: varumum <networker-forum AT BACKUPCENTRAL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 8 Jan 2009 08:17:04 -0500
Dear All,
i am running networker version of 7.4.3 and NMO 4.2.
one of my storage node is having oracle 9i and NMO 4.2.
Tape Library - SL3000
Normal file system backup is fast enuf but RMAN backup is happening very 
slow...................(400KB/S per channel)
I am using 2 tape drives.........for this rman backup.........


rman script which i m using --------

connect target sys/sys@xxxx;
run {
allocate channel t1 type 'SBT_TAPE';
allocate channel t2 type 'SBT_TAPE';
allocate channel t3 type 'SBT_TAPE';
allocate channel t4 type 'SBT_TAPE';

backup
format 'FULL_%d_%U'
(database include current controlfile);


release channel t1;
release channel t2;
release channel t3;
release channel t4;
}



ANY suggestions????????

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