Rolling Upgrades are not supported

!Important: Rolling upgrades are NOT supported when upgrading your operating system (e.g., from Windows Server 2016 to Windows Server 2022). Attempting a rolling upgrade without proper preparation can lead to system instability and unexpected behavior.

You will need to remove DataKeeper from Windows Server Failover Clustering
and delete the corresponding job in DataKeeper. The recommended steps are as follows:

Launch Failover Cluster Manager

• In Failover Cluster Manager: From the Roles panel, select Storage and the related DataKeeper Volume
• Right-click and select Remove from the role you’ve created, then select Yes
• From WSFC select Storage\Disk
• The DataKeeper Volume is now listed as/Assigned To, Available Storage. Select Remove, then select Yes
• The DataKeeper Storage is no longer a resource in the cluster/WSFC. In the DataKeeper UI > Action Panel, select Delete Job
• Select Yes to “Are you sure you want to delete the ‘Volume (drive)’ and its mirror?
  • If you have multiple mirrors/targets, select Delete Mirror, and the jobs will also be deleted.

Now you can uninstall DataKeeper.

Notables

• A reboot is required
• Delete the SIOS Directory