5V0-22.21 Question #97: Real Exam Question with Answer & Explanation

The correct answer is B. The VM guest operating system supports ATA TRIM or SCSI UNMAP capability. C. The vSAN cluster is an all-flash architecture.. The TRIM and UNMAP capability of vSAN is used to reclaim space on an all-flash vSAN cluster by discarding blocks that are no longer in use. In order to use this capability, the following prerequisites must be met: The VM guest operating system must support the ATA TRIM or SCSI UN

Question

What are two prerequisites for using the TRIM and UNMAP capability of vSAN? (Choose two.)

Options

ATRIM and UNMAP is enabled.
BThe VM guest operating system supports ATA TRIM or SCSI UNMAP capability.
CThe vSAN cluster is an all-flash architecture.
DChange the Object Space Reservation to 100.
EDeduplication and compression are enabled.

Explanation

The TRIM and UNMAP capability of vSAN is used to reclaim space on an all-flash vSAN cluster by discarding blocks that are no longer in use. In order to use this capability, the following prerequisites must be met: The VM guest operating system must support the ATA TRIM or SCSI UNMAP command. This will allow the guest OS to communicate with the vSAN datastore to inform it of blocks that are no The vSAN cluster must be an all-flash architecture. TRIM and UNMAP can only be used on all- flash vSAN clusters, as it doesn't make sense on the hybrid vSAN cluster. https://docs.vmware.com/en/VMware-vSphere/7.0/vsphere-vsan-70-admin-guide/GUID- 7E8F6C98-7C0B-4D21-8F1A-F3A3A9F4F4A4.html

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