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Description of problem: Unable to export a virtual machine (with prealloacted disk ) from iscsi storage domain to NFS Export. When "export" action is initiated it fails with below error event : ---- Cannot export VM. Disk configuration (COW Preallocated) is incompatible with the storage domain type. ---- Version-Release number of selected component (if applicable): oVirt 3.4.1 How reproducible: Always Steps to Reproduce: 1. Create a VM with a thinly provision disk on an NFS domain 2. Export the VM to an export domain 3. Import the VM, in the disk allocation choose a block domain Disk will be imported as Cow-Preallocated and export will not be possible for it.
oVirt 3.4.4 has been released.