notification | A notice from one server to another about a noteworthy occurrence. HPSS |
| notifications include notices sent from other servers to SSM of changes in |
| managed object attributes, changes in tape mount information, and log |
| messages that are alarm, event, and status log record message types. |
NS | HPSS Name Service |
NSL | National Storage Laboratory |
object | See Managed Object |
ONC | Open Network Computing |
ORNL | Oak Ridge National Laboratory |
OSF | Open Software Foundation |
OS/2 | Operating System |
PB | Petabyte (250) |
PFTP | Parallel File Transfer Protocol |
physical volume | An HPSS object managed jointly by the Core Server and the Physical Volume |
| Library that represents the portion of a virtual volume. A virtual volume may |
| be composed of one or more physical volumes, but a physical volume may |
| contain data from no more than one virtual volume. |
Physical Volume Library | An HPSS server that manages mounts and dismounts of HPSS physical |
| volumes. |
Physical Volume Repository | An HPSS server that manages the robotic agent responsible for mounting and |
| dismounting cartridges or interfaces with the human agent responsible for |
| mounting and dismounting cartridges. |
PIO | Parallel I/O |
PIOFS | Parallel I/O File System |
POSIX | Portable Operating System Interface (for computer environments) |
purge | Deletion of file data from a level in the file’s hierarchy after the data has been |
| duplicated at lower levels in the hierarchy and is no longer needed at the |
| deletion level. |
purge lock | A lock applied to a bitfile which prohibits the bitfile from being purged. |
PV | Physical Volume |
PVL | Physical Volume Library |
PVM | Physical Volume Manager |
PVR | Physical Volume Repository |
RAID | Redundant Array of Independent Disks |
RAIT | Redundant Array of Independent Tapes |
HPSS Installation Guide | July 2008 |
Release 6.2 (Revision 2.0) | 251 |