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DEC
Digital Equipment Corporation.
delog
The process of extraction, formatting, and outputting HPSS central log records.
deregistration
The process of disabling notification to SSM for a particular attribute change.
descriptive name
A human-readable name for an HPSS server.
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.
HPSS Management Guide November 2009
Release 7.3 (Revision 1.0) 375