Oracle Database 12c: Advanced Administration — Question 39

While performing database backup to tape via the media manager interface, you notice that tape streaming is not happening because RMAN is not sending data blocks fast enough to the tape drive.
Which two actions would you take for tape streaming to happen during the backup?

Answer options

• A. Configure backup optimization.
• B. Configure the channel to increase maxopenfiles.
• C. Configure a backup policy by using incremental backups.
• D. Configure the channel to increase capacity with the rate parameter.
• E. Configure the channel to adjust the tape buffer size by using the 3LKSIZE option.
• F. Configure large_pool, if not done already. Alternatively, you can increase the size of large_pool.

Correct answer: B, E

Explanation

The correct answers, B and E, address the issue of inadequate data transmission speed to the tape drive. Option B increases the number of files that can be processed simultaneously, thereby improving throughput, while option E adjusts the tape buffer size to optimize data flow. The other options either do not directly impact tape streaming or focus on different aspects of backup management.