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6 Replies Latest reply: Nov 8, 2010 6:25 AM by ian murphy RSS

RMAN cold backup of Data Guard primary database

ian murphy Newbie
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Hi folks,

I'm doing some testing with RMAN - one of the scenarios I need to test is having a Data Guard implementation (physical standby) where I take a cold backup of the primary.

As you'll know, an RMAN cold backup requires the database to be MOUNTed. However, it seems that with DG implemented, if I MOUNT the primary database, shortly thereafter it is opened (seemingly by the QMNC process but not guaranteed - that's just the closest entry to the "alter database open" in the alert log).

So does anyone take cold RMAN backups of a primary DG database? How do you do this? Or is this behaviour unusual?

Cheers,

Ian

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