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?
A.
vSphere 6.5 does not support manual UNMAP.
B.
The manual UNMAP operation has been moved to the vSphere web client.
C.
The VASA version is use is incompatible.
D.
UNMAP is automated for VMFS6.
Correct: D
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D it is.
UNMAP mechanism was previously only manual but with vSphere 6.5 and VMFS6, things are different. A new UNMAP crawler mechanism will free dead space on VMFS6 datastores within 12 hours automatically.
Reference: https://www.vladan.fr/vmware-vsphere-6-5-storage-vmfs-6-with-automatic-unmap-to-reclaim-dead-blocks/
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