If you have created hard disk partitions (/vastorage and /var), ZENworks Reporting Appliance provides tools that allow you to expand the storage space for the /vastorage and /var partitions.
Shutdown the appliance.
Use the tools provided by your virtualization platform vendor to expand the virtual disks that contain the partitions your are expanding.
Start the appliance.
On the ZENworks Reporting Appliance home page, under Appliance Configuration, click Storage.
In the Appliance Disks Containing Unallocated Free Space, select the partitions to be expanded.
Click Expand partitions.
Click OK in the pop-up window.
In the appliance home page, click Reboot so that the operating system detects the disks that are expanded.