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HI Justin,

Regarding your issue kindly check the vsphere log file available in the VembuBDR client instance installation location under VembuBDR_home\log folder. Check the exact error that is showing in the log file during the time period of backup failure. Also try creating snapshot manually for the VM machine from Vsphere client. If the manual snapshot fails then check the vmware.log on the virtual machine and update us for further proceedings.

HI Justin,

Regarding your issue kindly check the vsphere log file available in the VembuBDR client instance installation location under VembuBDR_home\log folder. Check the exact error that is showing in the log file during the time period of backup failure. Also try creating snapshot manually for the VM machine from Vsphere client. If the manual snapshot fails then check the vmware.log on the virtual machine and update us for further proceedings.


Updated answer:

Normally this issue will occur in case if the size of the snapshot file being created is larger than the available free space on the datastore where the virtual machine is located. In this case, the ESX/ESXi host cancels the operation and displays the mentioned error in the log. To resolve this issue, compare the size of the virtual machine's disks with the maximum supported VMDK size on the virtual machine's datastore and If the virtual machine disk size is larger than what the block size of the datastore supports, then try the below options to fix the issue.

  • Change the working directory (workingDir) of the virtual machine to a datastore with sufficient block size to support the virtual machine's disk size.
  • Change the location of the virtual machine's configuration file. To move the virtual machine's configuration file, you can use Storage vMotion or cold migration with relocation of files.

Note :

Also ensure that the disk size limitations for configured block size of the datastore have not been exceeded.

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