Multiple choice technology databases

In ASM, Mirroring is done at ___________ level.

  1. tablespace

  2. data blocks

  3. file

  4. extents
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In ASM, mirroring is performed at the extent level (not file, block, or tablespace). Each extent is a unit of allocation (typically 1MB), and ASM can mirror these extents across multiple failure groups for redundancy.

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