Quantum Scalar i40, User Manual

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Glossary
Quantum Scalar i40 and Scalar i80 User’s Guide 291
I
I/E Import/Export. The movement of data or hardware in and out of
processing and storage systems.
I/E slot
A bin that contains a single piece of media in the station.
I/E station A door on the front of the library that contains tape
magazines, into which cartridges to be imported are placed
manually or cartridges to be exported are placed by the picker.
Interoperability The capability of two or more hardware devices or
two or more software routines to work together.
IP (Internet Protocol) A protocol that specifies the formats of packets
and addresses. Addresses are formulated as four groups of 2 or
3 digit numbers separated by periods, such as 255.255.255.255.
K
Kernel
The heart of the UNIX operating system. The kernel is the part
of the operating system that allocates resources and controls
processes. The design strategy has been to keep the kernel as
small as possible and to put the rest of the UNIX functionality
into separately compiled and executed programs.
L
L_Port Loop Port. It only has the capability to communicate over FC-AL
hubs and through FL_Ports.
LED (Light Emitting Diode)
The mode of data transmission for
multimode cables with short wave optical transceivers. Single-
mode cables, by comparison, use high powered, long wave
lasers.
Library A large-scale tape device with robotics that can house multiple
tape drives and a significant amount of tape cartridges.
Library Control Module See
Control module
.
License key An absolute value that can only increase a licensed
feature. For example, a license key can be applied to the library
to enable unlicensed slots.
Logical library
See
Partition
.
Loop With this Fibre Channel option, the port operates with attached
loop-capable devices. If a point-to-point device is attached, the
appliance is not able to communicate with it.