A similar sized DB of ours takes about 1 hour to get done.
Certainly would also depend on the machine specs. Ours is a RS/6000, 8Gb,
AIX4.3.3 . We back it up to our tape server using TDPO (Tivoli).
Allocate 4 channels to it and the channel command
is
allocate channel ADSM1 type 'SBT_TAPE' parms
'ENV=(DSMO_NODE=CCSSPROD,DSMI_DIR=/usr/lpp/adsm/api,DSMI_CONFIG=/oracle/adsm/dsm.opt,DSMO_PSWDPATH=/oracle/adsm,DSMO_AVG_SIZE=20000)
Other RMAN parameters are the default. We have 297 datafiles to back
up.
Satish
>>> xwu_at_sempratrading.com 08/28/01 06:25PM
>>>Hi All,I use RMAN to do a full backup of 120G
database while the database is uprunning. It takes around 6 hours to finish.
I have 61 data files andmanually allocate 6 channels. For all the RMAN
parameters such asFILESPERSET, I take the default.Does anybody there
know how to maximize the throughput?Thanks,Michael
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Received on Wed Aug 29 2001 - 12:07:14 CDT
