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device
A physical piece of hardware, usually associated with a drive, that is capable
of reading or writing data.
directory
An HPSS object that can contain files, symbolic links, hard links, and other
directories.
dismount
An operation in which a cartridge is either physically or logically removed
from a device, rendering it unreadable and unwritable. In the case of tape
cartridges, a dismount operation is a physical operation. In the case of a fixed
disk unit, a dismount is a logical operation.
DNS
Domain Name Service
DOE
Department of Energy
drive
A physical piece of hardware capable of reading and/or writing mounted
cartridges. The terms device and drive are often used interchangeably.
EFS
External File System
ERA
Extended Registry Attribute
ESCON
Enterprise System Connection
event
A log record message type used to log informational messages (e.g.,
subsystem starting, subsystem terminating).
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export
An operation in which a cartridge and its associated storage space are
removed from the HPSS system Physical Volume Library. It may or may not
include an eject, which is the removal of the cartridge from its Physical
Volume Repository.
FDDI
Fiber Distributed Data Interface
file
An object than can be written to, read from, or both, with attributes including
access permissions and type, as defined by POSIX (P1003.1-1990). HPSS
supports only regular files.
file family
An attribute of an HPSS file that is used to group a set of files on a common
set of tape virtual volumes.
fileset
A collection of related files that are organized into a single easily managed
unit. A fileset is a disjoint directory tree that can be mounted in some other
directory tree to make it accessible to users.
fileset ID
A 64-bit number that uniquely identifies a fileset.
fileset name
A name that uniquely identifies a fileset.
file system ID
A 32-bit number that uniquely identifies an aggregate.
FTP
File Transfer Protocol
Gatekeeper
An HPSS server that provides two main services: the ability to schedule the
use of HPSS resources referred to as the Gatekeeping Service, and the ability
to validate user accounts referred to as the Account Validation Service.
HPSS Installation Guide July 2008
Release 6.2 (Revision 2.0) 247