Glossary
Scalar i500 User’s Guide 549
DHCP (Dynamic Host Configuration Protocol)
A protocol for assigning
dynamic IP addresses to devices on a network. DHCP supports a mix of
static and dynamic IP addresses.
Directory A file that contains a list of other files. Directory is short for
directory file.
Drivers Software programs that enable a computer to communicate with
hard drives, CD ROM drives, printers, and other peripherals. Drivers are
stored on a hard disk and loaded into memory at boot up.
E
Element ID - Logical
An address used by a library to locate and track
library component. The address is specified in programming logic rather
than on the physical location of a component within a library. When a
logical library is used, the logical element ID masks the physical element
ID.
Element ID - Physical An address used by a library to locate and track
library component. The address is based on the physical location of a
component within a library. Applications expect to see resources at
specific IDs.
Ethernet A type of local area network designed to transport data at rates
up to 10 million bits per second. Other software, such as TCP/IP runs on
top of Ethernet to provide high-level networking services to applications.
Event A condition that matches a numbered, predefined set of
circumstances.
Event log A list of all predefined events logged by library and software
management tools.
Expansion Module An optional module of the library. It provides
additional storage, tape drive capacity, power, and optional I/E stations.
The module lacks an operator panel touch screen and LCB.
F
F_Port
Fabric Port. A port on a fabric switch to which N_Ports may be
directly connected. The F_Port is not capable of communicating with FC-
AL protocol.
FC (Fibre Channel) A high speed data transfer architecture. Using optical
fibre to connect devices, Fibre Channel communications are serial
communications that occur at full duplex and achieve data transfer rates
of 200 MBps.
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