RE: Using RMAN

Soma - RMAN will only know about the disk backup since you aren't using a media manager like Legato or Veritas. When it needs to recover, RMAN will look to that spot on the disk and expect the correct file to be there. If for some reason the version on disk is unusable and RMAN needs an older version, RMAN will complain that the correct file isn't there, then you will have to load the version RMAN wants from tape before RMAN can continue. At least this is the way I understand RMAN will work. I haven't tried it, so if someone the list has better information, I would appreciate their response. Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Wednesday, January 16, 2002 5:21 PM To: Multiple recipients of list ORACLE-L

Hi
Currently we are using Unix scripts to do backups.We keep last 2 days of backups on the disk and also take the backups on tape daily. We are planning to use RMAN for backups and would like to maintain the the same policy of 2 days backup on disk and daily tape backups. Is it possible to implement this using RMAN? Which backup will RMAN remember
(while restore) the disk backup or the tape backup?
If we try to use the incremental strategy ,then how would RMAN remember the last incremental level 0 backup ? It will not be present on disk since we only keep the last 2 days backup on it. How do i use RMAN to do restore/recovery in this case?

I heard that taking backups on tape is faster than on disk when using RMAN? Is it true?  

Could RMAN users share their backup/recovery strategies ,please.  

TIA

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Author: DENNIS WILLIAMS
  INET: DWILLIAMS_at_LIFETOUCH.COM

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