G
g Gram.
GB gigabyte.
GBIC Gigabit Interface Converter.
Gb/s gigabits/second
Gbit gigabit
gigabit (Gbit)
1 000 000 000 bits.
gigabyte (GB)
1 000 000 000 bytes.
Gigabit Interface Converter (GBIC)
Converts copper interface to optic interface.
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 file system that works with LTO
Generation tape technology to access data stored on a tape cartridge.
ID Identifier.
Identifier (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 identifier usually consists of a letter
optionally followed by letters, digits, or other characters. (2) One or more characters that are used
162 Dell EMC ML3 Tape Library: User's Guide
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