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configuration
configuration file
COS
daemon
Data Server
DCE
debug
DEC
delog
deregistration
descriptive name
device
DFS
DFS/HPSS fileset
directory
dismount
DMAP Gateway
DMAPI
HPSS Installation Guide
Release 4.5, Revision 2
Appendix A
a virtual volume is a cluster.
The process of initializing or modifying various parameters affecting the
behavior of an HPSS server or infrastructure service.
An Encina Structured File Server (SFS) file that stores information
defining HPSS server operating parameters, storage characteristics,
policies, devices and drives, and other information.
Class of Service
A UNIX program that runs continuously in the background, lying
dormant until some condition is met.
A Storage System Management (SSM) component that provides the bridge
between the System Manager and the Graphical User Interface (GUI).
Distributed Computing Environment
A log record message type used to log lower-level error conditions. The
default logging policy is to log debug messages.
Digital Equipment Corporation.
The process of extraction, formatting, and outputting HPSS central log
records.
The process of disabling notification to SSM for a particular attribute
change.
A human-readable name for an HPSS server.
A physical piece of hardware, usually associated with a drive, that is
capable of reading or writing data.
The Distributed File Service is a system that joins local files systems of File
Server machines, making the file systems available globally.
A fileset that is represented in both DFS and HPSS.
An HPSS object than can contain files, symbolic links, hard links, and
other directories.
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.
A server that acts as a gateway between DFS or XFS and HPSS. The server
relays requests between HPSS and the HPSS/DMAP server.
The Data Management APIs defined by the XDSM specification. These
APIs allow a Data Management Application to monitor events on files,
and provide special interfaces to manage the data in the files.
September 2002
Glossary of Terms and Acronyms
473
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