4.1.0 HP PolyServe Matrix Server administration guide (T5392-96073, October 2010)

Click Options to see the available options for the filesystem. Check Reuse to allow
creation of volumes on devices that contain volume signatures.
When you click OK, all data on the volume will be lost.
Create a filesystem from the command line
To create a filesystem, use psfsformat or mx commands.
The psfsformat command
Use this syntax:
psfsformat [-fq] [-l <label>] [-reuse] [-o option1] [-o option2] <device>
The device can be specified in several ways:
Configure PSFS filesystems114