HP EML E-series Tape Libraries User Manual

Page 107

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or an arbitrated loop. Fibre Channel is a generalized transport mechanism with no protocol of
its own. A Fibre Channel does not have a native input/output command set, but can transport
existing Upper Level Protocols (ULP) such as SCSI. Fibre Channel operates at speeds of 200 MB
per second. Fibre Channel operates over distances of up to 100 m over copper media or up to
10 km over optical links.

flash memory

Firmware memory for the current and previous version of library firmware.

get

An activity in which a robot obtains a tape cartridge from a slot or tape drive.

GUI

Graphical user interface. Software that enables the user to control the library environment through
visual screens.

HBA

Host bus adapter. A circuit board residing in the host system that handles requests to and from
the host system and the library.

host

One or more computers that generate and communicate data to the library.

hot-swappable

The capability that enables a component to be replaced while power to the component is
maintained. This feature enables hardware maintenance actions and hardware upgrades to
proceed without disrupting subsystem availability.

HP (unit of
measure)

Horizontal pitch. A measurement of the width of a chassis. Library circuit card assemblies sitting
horizontally in card cages are measured vertically in these units where one HP is 5.08 mm (0.2
inches).

HP Enterprise
Modular Library
E-Series

An automated tape library composed of a:

Base module


Tape drive expansion module (optional)

Card cage expansion module (optional)

import

The process of placing a tape cartridge into the load port so that the robot can insert it into a
storage slot.

initialization

A procedure that activates a machine reset, initiates wake-up diagnostics (from EPROMs) and
loads functional code.

interlock switch

A switch that disconnects power to library mechanisms, excluding tape drives, when the center
door is opened.

inventory

The process of reading and storing in memory the barcode identification and locations of all tape
cartridges in the library.

IPv4

IPv4 is an Internet Protocol that contains addressing information and some control information
that enables data to be routed in a network. IPv4 has an IP address size of 32 bits and is written
as four numbers separated by periods. An IPv4 address contains numerals only (0–255). A
sample IPv4 IP address looks like: 127.0.0.1.

IPv6

IPv6 is an Internet Protocol that contains addressing information and some control information
that enables data to be routed in a network. IPv6 has an IP address size of 128 bits and is in
hexadecimal format (base 16). An IPv6 address can contain numerals (0-9) and some letters (a-f).
A sample IPv6 address looks like: 3ffe:ffff:100:f101:210:a4ff:fee3:9566.

lift drive assembly

A component of the robot that moves the table assembly vertically among the library modules.

lift drive pulley

A component of the lift drive assembly used to move the table assembly vertically along the lift
pole to slots and tape drives.

lift pole

The device that guides the vertical movement of the table assembly.

lift reduction gear

The component of the lift drive assembly that controls the lift drive pulley.

lift suspension
cables

Four cables used to lift and lower the table assembly among the library modules.

lift-flex cable

The cable that carries control and power signals to the table assembly. This cable automatically
adjusts to the position of the table assembly in the library.

load port

A device in the library that enables an operator to insert or remove tape cartridges during library
operations.

logical library

A virtual representation of a physical library. Also called virtual library partition.

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