Glenn:
If you put all the disks including your database files in one device group,
you do not have to put your source database in backup mode. Otherwise, yes,
you have to. In the first case, when you try to startup your database,
Oracle will do an 'instacne recover'.
I configured both scenaries with my company and both work just fine.
Michael
-----Original Message-----
Sent: Monday, September 24, 2001 1:40 PM
To: Multiple recipients of list ORACLE-L
It is my understanding that the common implementation of copying an Oracle
database on an EMC using BCVs is this;
1) put the source database in BEGIN BACKUP mode for all the tablespaces,
2) break the mirror,
3) put tablespaces in END BACKUP mode
4) recover on target, or backup the files.
Question:
Why is it necessary to put the database in 'hot backup' mode when splitting
a BCV? If it is just like splitting a mirror, why do you need the database
in hot backup mode at all? Wouldn't it be the same as losing one side of a
mirrored pair? When that happens, no extra processing is needed.
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