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Broadcom-VMware

5V0-21.21 · Question #55

Which two statements are true about enabling deduplication and compression on an All-Flash vSAN cluster with data? (Choose two.)

The correct answer is A. On-disk format version 3.0 or later is equired to support deduplication and compression. E. This requires data evacuation and disk format upgrade of all the disk groups. See the full explanation below for the reasoning.

Question

Which two statements are true about enabling deduplication and compression on an All-Flash vSAN cluster with data? (Choose two.)

Options

  • AOn-disk format version 3.0 or later is equired to support deduplication and compression.
  • BThis can be enabled through storage policies and does not require any data migration.
  • CDeduplication and Compression cannot be enabled on an existing vSAN datastore with data.
  • DMove one host at a time to maintenance mode and enable deduplication and compression.
  • EThis requires data evacuation and disk format upgrade of all the disk groups.

How the community answered

(31 responses)
  • A
    74% (23)
  • B
    13% (4)
  • C
    3% (1)
  • D
    10% (3)

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