The status of the extended file system.
State up indicates that the requested memory size
for the extended file system has been allocated
successfully and the extended file system is in
operational state.
State fault indicates that the requested memory size
for the extended file system has NOT been allocated
successfully and the extended file system is NOT
in operational state. One reason for entering the
fault state is insufficient available memory.
State init indicates that the system is in the
initialization cycle. The extended file system
is not operational.
State notpresent reflects the size of zero.