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5V0-21.20 · Question #56

An infrastructure architect is submitting a proposal for a vSAN Cluster. These are the customer's requirements: - Maximize the amount of usable capacity. - Deduplication and compression will be…

The correct answer is A. One disk group with one flash device for cache and six flash devices for capacity. Consider these guidelines when you configure deduplication and compression in a vSAN cluster. Deduplication and compression are available only on all-flash disk groups. On-disk format version 3.0 or later is required to support deduplication and compression. You must have a…

Planning and Designing

Question

An infrastructure architect is submitting a proposal for a vSAN Cluster. These are the customer's requirements:

  • Maximize the amount of usable capacity.
  • Deduplication and compression will be enabled to help maximize usable

capacity. Which disk group configuration should the architect include in their design?

Options

  • AOne disk group with one flash device for cache and six flash devices for capacity.
  • BFive disk groups with one flash device for cache and one magnetic device for capacity per disk
  • CThree disk groups with one flash device for cache and two flash devices for capacity per disk
  • DOne disk group with one flash device for cache and six magnetic devices for capacity.

How the community answered

(26 responses)
  • A
    73% (19)
  • B
    4% (1)
  • C
    8% (2)
  • D
    15% (4)

Explanation

Consider these guidelines when you configure deduplication and compression in a vSAN cluster. Deduplication and compression are available only on all-flash disk groups. On-disk format version 3.0 or later is required to support deduplication and compression. You must have a valid license to enable deduplication and compression on a cluster. When you enable deduplication and compression on a vSAN cluster, all disk groups participate in data reduction through deduplication and compression. You can enable deduplication and compression when you configure a new vSAN all-flash cluster. https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID- 2285B446-46BF-429C-A1E7-BEE276ED40F7.html https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID- E4B15DB5-88AD-4852-A6DB-0E73046CA545.html

Topics

#disk group configuration#all-flash vSAN#deduplication compression#capacity maximization

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