Returns eTrue if a file system has been written to the
mass storage device(s) which will hold file data
contained in this file system. Returns eFalse
otherwise. Each POS needs to specify the relationship
between file systems and the physical storage devices
that can hold the data contained in those file systems.
Additional information:
This objects is only supported if a disk is
installed.
Returns <noSuchName> status if
attempting to perform a Get on this OID with no disk
installed.
Returns <noSuchName>
status if attempting to perform a Set, EnableTrap, or
DisableTrap on this OID with no disk installed.