Oracle Database 12c: Multitenancy Essentials — Question 10

Which three statements are true about Automatic Hard Disk Scrubbing and repair on high-capacity storage servers in an X5 Database Machine?

Answer options

• A. Disk repair is made immediately from Smart Flash Cache for corruption on disk when the corresponding data is clean in the Smart Flash Cache.
• B. Hard disks are scanned every two weeks by default but only when disks are idle.
• C. Hard disks are scanned every two weeks by default in all situations.
• D. Disk repair is made immediately from Smart Flash Cache for corruption on disk when the corresponding data is dirty in the Smart Flash Cache.
• E. Disk repair may be made from another mirror copy if the corrupt area is part of a Normal or High Redundancy Disk Group.

Correct answer: A, C, E

Explanation

Option A is correct because it specifies that disk repair uses data from the Smart Flash Cache only when that data is clean, ensuring integrity. Option C is incorrect as it implies scanning occurs in all situations rather than only when disks are idle. Option E is also correct as it highlights the capability of utilizing another mirror copy for repairs in the specified disk groups.