Users Guide

Gnd
Ground.
GUI
Graphical User Interface
H
HBA
Host Bus Adapter.
HD Slot Technology
High-density (HD) slot technology. Allows multiple cartridges to be stored in a tiered architecture.
hertz (Hz)
Unit of frequency. 1 hertz equals one cycle per second.
hex
Hexadecimal.
HH
Half Height.
High Voltage Differential (HVD)
A logic-signaling system that enables data communication between a supported host and the library.
HVD signaling uses a paired plus and minus signal level to reduce the effects of noise on the SCSI bus.
Any noise that is injected into the signal is present in both a plus and minus state, and is canceled.
Synonymous with differential.
HVD
SCSI Bus High-Voltage Differential.
Hz
Hertz (cycles per second).
I
IBM Security Key Lifecycle Manager (SKLM)
IBM's EKM application that assists encrypting tape drives in generating, protecting, storing, and
maintaining encryption keys that encrypt information that is written to and decrypt information that is
read from tape media.
IBM Spectrum Archive
Formerly known as Linear Tape File System (LTFS). A le system that works with LTO Generation tape
technology to access data stored on a tape cartridge.
ID
Identier.
Identier (ID)
(1) In programming languages, a lexical unit that names a language object. For example, the names of
variables, arrays, records, labels, or procedures. An identier usually consists of a letter optionally
followed by letters, digits, or other characters. (2) One or more characters that are used to identify or
name data element and possibly to indicate certain properties of that data element. (3) A sequence of
bits or characters that identies a program, device, or system to another program, device, or system.
IEC
International Electrotechnical Commission.
IKE
Internet Key Exchange that is used in the IPSec protocol.
IML
Initial microprogram load.
Incompatible magazine
This message might display on the Operator Panel during library initialization. It occurs during factory
restore or VPD. This message is not a real issue since it takes time for the library to congure.
Glossary
219