An administrator attempts to manually reclaim space on thin-provisioned VMFS6 volumes but finds that no additional space is being recovered. Which could be causing this?

The correct answer is D. UNMAP is automated for VMFS6.. VMFS 6 is the new filesystem of vSphere 6.5. The new filesystem supports 512e advanced format drives and is 4098 sector (4K) aligned. It also supports automatic UNMAP, which asynchronously tracks freed blocks and sends UNMAPs to backend storage in background. https://kb.vmware.co

Section 3 – Configure and Administer vSphere 6.5 Storage

Question

Options

AvSphere 6.5 does not support manual UNMAP.
BThe manual UNMAP operation has been moved to thevSphere web client.
CThe VASA version is use is incompatible.
DUNMAP is automated for VMFS6.

How the community answered

(46 responses)

A
4% (2)
B
17% (8)
C
9% (4)
D
70% (32)

Explanation

VMFS 6 is the new filesystem of vSphere 6.5. The new filesystem supports 512e advanced format drives and is 4098 sector (4K) aligned. It also supports automatic UNMAP, which asynchronously tracks freed blocks and sends UNMAPs to backend storage in background. https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&exte

Topics

#UNMAP#VMFS6#thin provisioning#automated space reclamation

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