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Glossary
This glossary includes terms and definitions for IBM XIV Storage System.
This glossary includes selected terms and
definitions from:
v The American National Standard Dictionary for
Information Systems, ANSI X3.172–1990,
copyright 1990 by the American National
Standards Institute (ANSI), 11 West 42nd Street,
New York, New York 10036. Definitions
derived from this book have the symbol (A)
after the definition.
v IBM Terminology, which is available online at
the following Web site: http://www-
01.ibm.com/software/globalization/
terminology/index.jsp. Definitions derived
from this source have the symbol (GC) after the
definition.
v The Information Technology Vocabulary developed
by Subcommittee 1, Joint Technical Committee
1, of the International Organization for
Standardization and the International
Electrotechnical Commission (ISO/IEC
JTC1/SC1). Definitions derived from this book
have the symbol (I) after the definition.
Definitions taken from draft international
standards, committee drafts, and working
papers that the ISO/IEC JTC1/SC1 is
developing have the symbol (T) after the
definition, indicating that final agreement has
not been reached among the participating
National Bodies of SC1.
This glossary uses the following cross-reference
forms:
See
Refers the reader to one of two kinds of
related information:
v A term that is the expanded form of an
abbreviation or acronym. This
expanded form of the term contains the
full definition.
v A synonym or more preferred term
See also
Refers the reader to one or more related
terms.
Contrast with
Refers the reader to a term that has an
opposite or substantively different
meaning.
A
access To obtain computing services or data.
In computer security, a specific type of
interaction between a subject and an
object that results in flow of information
from one to the other.
Active Directory
Microsoft Active Directory (AD) provides
directory (lookup), DNS and
authentication services.
alerting event
An event that triggers recurring event
notifications until it is cleared.
allocated storage
The space that is allocated to volumes but
not yet assigned. Contrast with assigned
storage.
See Application program interface (API).
API
application program interface (API)
An interface that allows an application
program that is written in a high-level
language to use specific data or functions
of the operating system or another
program.
assigned storage
The space that is allocated to a volume
and that is assigned to a port.
Asynchronous interval
Denotes, per given coupling, how often
the master runs a new sync job.
authorization level
The authorization level determines the
permitted access level to the various
functions of the IBM XIV Storage
Management GUI:
Read only
Only viewing is allowed.
Enables access to all the
Full
configuration and control
functions, including shutdown of
the system. This level requires a
password.
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