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Title
Incremental backup runs full instead "The disk size has changed; a full backup will be performed" -
Description
It has been observed that an incremental backup runs a full backup instead.
Following message is present in the task log: "The disk size has changed; a full backup will be performed"
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Cause
Possible causes of the error message are:
- Disk size has been modified
- There is an issue with the CBT filter
- Underlying issue with VM's hard disk
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Resolution
Allow job to complete, the threshold count will be implemented going forward.Reset CBT on the VM by following this VMware KB articlePerform check disk command in CMD using elavated privileges:• Type "chkdsk" in CMD followed with the drive letter to check for possible errors on a disk.• Type "chkdsk /f " followed by drive letter to repair any errors• Run the backup again