f you create a new PVS Target Device, you can add a fresh new hard disk without formatting it, still being able to use it as write cache disk. If the device boots from the vDisk and you have prepared the Base-Image with this BISF, the schedule task “LIC_BISF_Personalize_Device” checks for the persistent drive, formats it and reboots the device automatically once.
After the reboot the persistent drive is be used for pagefile (pagefile.sys), write cache (.vdiskcache), BIS-F Logs and other configuration items that you might redirect like EventLogs, spooler directory, etc