What is the recommended method of expanding disk space on a FortiAnalyzer VM?

A. From the VM host manager, add an additional virtual disk and use the #execute lvm extend command to expand the storage

B. From the VM host manager, expand the size of the existing virtual disk
C. From the VM host manager, expand the size of the existing virtual disk and use the # execute format disk command to reformat the disk
D. From the VM host manager, add an additional virtual disk and rebuild your RAID array