LS | Location Server |
LTO | Linear |
| and Seagate. |
MAC | Mandatory Access Control |
managed object | A programming data structure that represents an HPSS system resource. The |
| resource can be monitored and controlled by operations on the managed |
| object. Managed objects in HPSS are used to represent servers, drives, |
| storage media, jobs, and other resources. |
MB | Megabyte (220) |
metadata | Control information about the data stored under HPSS, such as location, |
| access times, permissions, and storage policies. Most HPSS metadata is |
| stored in a DB2 relational database. |
method | A Java function or subroutine |
migrate | To copy file data from a level in the file’s hierarchy onto the next lower level |
| in the hierarchy. |
Migration/Purge Server | An HPSS server responsible for supervising the placement of data in the |
| storage hierarchies based upon |
MM | Metadata Manager. A software library that provides a programming API to |
| interface HPSS servers with the DB2 programming environment. |
mount | An operation in which a cartridge is either physically or logically made |
| readable and/or writable on a drive. In the case of tape cartridges, a mount |
| operation is a physical operation. In the case of a fixed disk unit, a mount is a |
mount point | logical operation. |
A place where a fileset is mounted in the XFS and/or HPSS namespaces. | |
Mover | An HPSS server that provides control of storage devices and data transfers |
| within HPSS. |
MPS | Migration/Purge Server |
MRA | Media Recovery Archive |
MSSRM | Mass Storage System Reference Model |
MVR | Mover |
NASA | National Aeronautics and Space Administration |
Name Service | The portion of the Core Server that providesa mapping between names and |
| machine oriented identifiers. In addition, the Name Service performs access |
name space | verification and provides the Portable Operating System Interface (POSIX). |
The set of | |
NERSC | National Energy Research Supercomputer Center |
NLS | National Language Support |
HPSS Installation Guide | July 2008 |
Release 6.2 (Revision 2.0) | 250 |