3.7.0 HP StorageWorks HP Scalable NAS File Serving Software administration guide - HP Scalable NAS 3.7 for Linux (AG513-96002, October 2009)

You can change or reorder the subdevices used for the volume and enable striping
if desired.
To recreate a volume from the command line, run the dynvolume destroy
command and then run the dynvolume create command.
Convert a basic volume to a dynamic volume
If you have PSFS filesystems that were created directly on an imported disk partition
or LUN (a basic volume), you can convert the basic volume to a dynamic volume.
The new dynamic volume will contain only the original subdevice; you can use the
Extend Volume option to add other subdevices to the dynamic volume.
Configure dynamic volumes114