RE: rman question

Lisa,  

You must use RMAN for restore as the format of the backup pieces can be understood only by RMAN. Since RMAN is an Oracle - internal process, it reads the database a *DB* block (or multiples thereof) at a time, rather than the OS read an *OS* block at at time which could result in fractured reads (which in turn necessitates full block redo logging during Hot backup mode). This also means that RMAN can recognize empty blocks and thus skip backup of these blocks - resulting in a small backup set in the beginning that grows with database usage and activity... Lots of interesting stuff / concepts can be found in the Recovery Manager user's guide and reference - a must read if you are planning to user RMAN.  

Hth,
John Kanagaraj
Oracle Applications DBA
DBSoft Inc
(W): 408-970-7002

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-----Original Message-----
Sent: Monday, November 26, 2001 1:05 PM
To: Multiple recipients of list ORACLE-L

OK, this may be dumb. I was under the impression that if you use rman to back up your database, you MUST use rman to restore and recover.

Is this not true? Is it possible to utilize rman for restore and sign in to sql*plus or svrmgrl to initiate the recovery?

Any comments are appreciated. THanks

Lisa Koivu
Oracle Database Monkey
Fairfield Resorts, Inc.
954-935-4117

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