PowerProtect: After resizing, or adding a disk to a VMware VM, the subsequent backup is FULL

Summary: Resizing a disk of a VM or adding an additional disk to a VM will cause the next backup to be a FULL backup. Backups are being done with TSDM.

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Symptoms

The following VM tasks will cause the next PowerProtect Data Manager VM backup for the modified VM to be promoted to 'FULL' level.

1. Resizing a VM disk.
2. Adding a disk to a VM.

The following messages are seen in the backup log: 
YYYY-MM-DDThh:mm:ss.482Z DEBUG:  [b179af117f17958a;bb51fa204e8a8389] SDM Data Mover: SDM Full Sync: Full sync is already required for 'Hard disk 3'.
YYYY-MM-DDThh:mm:ss.484Z NOTICE: [b179af117f17958a;bb51fa204e8a8389] SDM Data Mover: SDM Full Sync: 1 disks require full sync, but the full sync of a subset of disks is not supported in this release.
YYYY-MM-DDThh:mm:ss.484Z WARN:   [b179af117f17958a;bb51fa204e8a8389] SDM Data Mover: SDM Full Sync: 3 disk(s) require full backup.
YYYY-MM-DDThh:mm:ss.503Z DEBUG:  [b179af117f17958a;bb51fa204e8a8389] SDM Data Mover: SDM Full Sync: Created TSDM progress

Cause

This behavior is as designed.

Resolution

The functionality of FULL sync for a subset of VM disks is not supported as of PowerProtect Data Manager version 19.14.
This functionality is not available in the upcoming release of PowerProtect Data Manager 19.15. 
It will be supported in a future release of PowerProtect Data Manager.

Affected Products

PowerProtect Data Manager
Article Properties
Article Number: 000218848
Article Type: Solution
Last Modified: 23 Jan 2024
Version:  2
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