Which three actions would you take to improve backup performance?

A complete database backup to media is taken for your database every day. Which three
actions would you take to improve backup performance?

A complete database backup to media is taken for your database every day. Which three
actions would you take to improve backup performance?

A.
Set the backup_tape_io_slaves parameter to true.

B.
Set the dbwr_io_slaves parameter to a nonzero value if synchronous I/O is in use.

C.
Configure large pool if not already done.

D.
Remove the rate parameter, if specified, in the allocate channel command.

E.
Always use RMAN compression for tape backups rather than the compression provided
by media manager.

F.
Always use synchronous I/O for the database.

Explanation:

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Rizwan Wangde

Rizwan Wangde

BCD is correct… Appreciate if the admin can fix it…
Step 1: Remove the RATE Parameter from Channel Settings
Step 2: If You Use Synchronous Disk I/O_ Set DBWR_IO_SLAVES
Step 3: If You Fail to Allocate Shared Memory_ Set LARGE_POOL_SIZE
Step 4: Tune the Read_ Write_ and Copy Phases

https://docs.oracle.com/database/121/BRADV/rcmtunin.htm#BRADV172

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