RMAN/TSM for DB
2005-12-08 15:34:43
This is more an RMAN question that a TSM for DB one but . . .
Can oneone tell me in general terms how RMAN does a hot backup? Does
it buffer updates to the db and apply them after the backup is done? Or
reject updates during the backup? Or . . .? Assuming db updates are
allowed during the backup, how much of a performance hit is there to the
transaction accessing the db?
David
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