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Oracle

1Z0-883 · Question #32

You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?

The correct answer is C. The snapshots take a significant amount of disk space as they are a duplicate copy of the data. See the full explanation below for the reasoning.

Question

You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?

Options

  • AThe system can only support one snapshot per volume, and you need to remove it to be able to take
  • BThe snapshot size will continue to grow as changes to the volume are made.
  • CThe snapshots take a significant amount of disk space as they are a duplicate copy of the data.
  • DThe system keeps a copy of changes in memory and can cause an out of memory event.

How the community answered

(23 responses)
  • A
    9% (2)
  • B
    17% (4)
  • C
    70% (16)
  • D
    4% (1)

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