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5V0-21.20 · Question #81

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. https://docs.vmware.com/en/VMware- vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUIDBD30E413-F870-4C25-9507- 123F59D0A4B8.html

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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

(22 responses)
  • A
    73% (16)
  • B
    5% (1)
  • C
    18% (4)
  • D
    5% (1)

Explanation

https://docs.vmware.com/en/VMware- vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUIDBD30E413-F870-4C25-9507- 123F59D0A4B8.html

Topics

#deduplication#compression#All-Flash vSAN#on-disk format

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