ONTAP thin volume VMware Datastore shows more space used than expected
Applies to
DATA ONTAP 9.x and above
VMware ESXi 6.5
Issue
- VMware Datastore shows the correct size and usage the NetApp Volume shows correct usage but LUN free space is not correct
- Older volumes that did not get space allocation enabled when created could not start automatic space reclamation only manual trigger works from ESXi
esxcli storage vmfs unmap -l <datstore_name>