VMware Backup – File is larger than the maximum size supported by datastore
Scenario:
Backing up VMware ESXi virtual machines. In this case, using Acronis VMprotect 7. This issue is also seen with other backup software.
Problem:
Backup job fails with this error message:
Message: Awaiting task ‘CreateSnapshot’ has failed. Reason: File is larger than the maximum size supported by datastore ‘.
——————–‘.
Full error Log:
Task ‘fileserver to vmprotect1’ failed: ‘Failed to create a backup.
Additional info:
——————–
Error code: 3
Module: 435
LineInfo: 555b5abba09500ab
Fields:
Message: Failed to create a backup.
——————–
Error code: 32786
Module: 114
LineInfo: 28314c961de7d3b2
Fields:
Message: Failed to prepare for backing up.
——————–
Error code: 353
Module: 149
LineInfo: a71592046cb2c5f8
Fields:
Message: Failed to back up the group.
——————–
Error code: 2
Module: 218
LineInfo: 338a407ad20e0987
Fields:
Message: Error occurred while running the backup and recovery engine.
——————–
Error code: 1080
Module: 1
LineInfo: d1ab7fa1e56ec747
Fields:
Message:
——————–
Error code: 13
Module: 149
LineInfo: d1ab7fa1e56ec8b7
Fields:
Message: Failed to perform the requested operation.
——————–
Error code: 103
Module: 83
LineInfo: a859dd78cc91de7b
Fields:
Message: Failed to open the virtual machine ([datastore1] fileserver – 10/fileserver – 10.vmx).
——————–
Error code: 64
Module: 83
LineInfo: c7610e0a857bedda
Fields:
Message: VMware error: ‘An internal error.’.
——————–
Error code: 52
Module: 0
LineInfo: c7610e0a857bedda
Fields:
Message: Awaiting task ‘CreateSnapshot’ has failed. Reason: File is larger than the maximum size supported by datastore ‘.
——————–‘.
Cause:
The virtual machine contains virtual hard drives that are at the maximum 2TB size. The backup system needs to increase the drive size temporarily in order to create a snapshot and it can’t.
Solution:
Create a smaller virtual hard drive.
or
Disable VSS on the virtual machine tools