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Appendix A. Glossary of Terms and Acronyms
ACI
Automatic Media Library Client Interface
ACL
Access Control List
ACSLS
Automated Cartridge System Library Software (Science Technology
Corporation)
ADIC
Advanced Digital Information Corporation
accounting
The process of tracking system usage per user, possibly for the purposes of
charging for that usage. Also, a log record message type used to log
information to be used by the HPSS Accounting process. This message type is
not currently used.
AIX
Advanced Interactive Executive. An operating system provided on many
IBM machines.
alarm
A log record message type used to log high-level error conditions.
AML
Automated Media Library. A tape robot.
AMS
Archive Management Unit
ANSI
American National Standards Institute
API
Application Program Interface
archive
One or more interconnected storage systems of the same architecture.
attribute
When referring to a managed object, an attribute is one discrete piece of
information, or set of related information, within that object.
attribute change
When referring to a managed object, an attribute change is the modification of
an object attribute. This event may result in a notification being sent to SSM,
if SSM is currently registered for that attribute.
audit (security)
An operation that produces lists of HPSS log messages whose record type is
SECURITY. A security audit is used to provide a trail of security-relevant
activity in HPSS.
bar code
An array of rectangular bars and spaces in a predetermined pattern which
represent alphanumeric information in a machine readable format (e.g., UPC
symbol)
BFS
HPSS Bitfile Service.
bitfile
A file stored in HPSS, represented as a logical string of bits unrestricted in
size or internal structure. HPSS imposes a size limitation in 8-bit bytes based
upon the maximum size in bytes that can be represented by a 64-bit unsigned
integer.
bitfile segment
An internal metadata structure, not normally visible, used by the Core Server
to map contiguous pieces of a bitfile to underlying storage.
HPSS Installation Guide July 2008
Release 6.2 (Revision 2.0) 245