I have virtual machine (Ubuntu) on vmware. Datastore is connected by nfs. Data grow in the virtual machine and are cleared. But upon vmware shows that the virtual machine takes the maximum place. Everywhere thin provision. How to release a place? I know that it is possible to zeroing the empty place in virtually machine and to release with the esxi. Whether it is possible to automate it? Maybe the driver is?
Datastores created over NFS should automatically give you the freespace as data is deleted. Where do you see the space being occupied? At ESXi side of at NetApp side? Do you have a sample output of "df" command from DataONTAP CLI for both before and after deleting data? For VMFS datastores on NetApp LUNs, you may have to use the space reclamation feature of the Virtual Storage Console (VSC).
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