IBM HPSS manual Appendix A. Glossary of Terms and Acronyms

	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