On Fri, 05 Mar 2004 04:04:20 -0800, srivenu wrote:
>> How are you handling fractured blocks? Are you talking about copies
>> of datafiles that were made during a hot backup? Even then RMAN is
>> dependent on recovery with redo to fix it.
>
> RMAN backups dont suffer from split block or fractured block problem.
> RMAN first reads the blocks into its input buffers and while writing
> the data from inout buffers to output buffers, it checks for split
> blocks. If it encounters a split block, RMAN will reread that oracle
> block. RMAN also takes care of the start SCN in file headers. This is
> the reason why you need to put the Tablespaces in backup mode for RMAN
> backups.
> regards
> Srivenu
Srivenu, thanks for your explanation about RMAN blocks handling.
I just want to correct your last sentence: the user must not put the
tablespaces in backup mode for RMAN backups.
Received on Fri Mar 05 2004 - 06:57:41 CST
