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NetApp Knowledge Base

NFS VAAI - Attempting to create thin VMDKs results in Thick Provisioned Lazy Zeroed VMDKs when datastores are mounted indirectly

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Category:
netapp-nfs-plug-in-for-vmware-vaai
Specialty:
virt
Last Updated:

Applies to

  • NetApp NFS Plug-in for VMware VAAI 1.1.x
  • ONTAP 9.x
  • ESXi 6.x

Issue

Attempting to create a Thin VMDK for a new or existing virtual machine, results in the creation of a Thick Provisioned Lazy Zeroed disk. This is seen when a disk creation operation is initiated on a indirect volume mount by an ESXi host with NFS VAAI installed.

Note: Indirect volume mounts are when a volume is mounted to a LIF that is on a node that is not local to the volume.

Select Thin disk:

clipboard_efca79df32936c1af4c0633796405fd60.png

View results after disk creation:

clipboard_eb9f36ea4b229f0fdb805fc783e1d9a09.png

 

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