Article number
Affected Versions
Source Hypervisor
Target Hypervisor

Offsite Clone on VMs over 2TB

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Root Cause

This is an issue that exists due to a 32bit variable which holds the size of the clone at a specific point.  


When trying to perform an offsite clone of a VM that has a volume 2TB or greater, the clone operation will report to be successful, but the cloned VM will not contain the data of the source volume.  In a Windows OS, the disks are visible in Disk Management, but they are unallocated and the data on them is not accessible.


Upgrade ZVR to 4.5U1 or higher.  The variable which holds the size of the clone is now capable of handling 2TB (and higher) volumes.