Qlogic StorageWorks MPX200, User Manual

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ISR654601-00 D Glossary-3
iSR6200 Command Line Interface (CLI)
User’s Guide
Fibre Channel over Ethernet
See FCoE .
Fibre Channel over IP
See FCIP .
field replaceable unit
See FRU .
Flash
Non-volatile memory where the boot code
is saved. At times, flash and boot code are
used interchangeably.
Flash BIOS
A QLA2 xxx adapter 's flash programmable
read-only memory (PROM) contains the
code that allows booting from the adapter
at startup.
frame
Data unit consisting of a start-of-frame
(SOF) delimiter, header, data payload,
CRC, and an end-of-frame (EOF) delim-
iter.
FRU
Field replaceable unit. Component that
can be replaced in the field upon failure.
HBA
Host bus adapter. See adapter .
heartbeat LED
A chassis LED that indicates the router
status.
hot replaceable
Also known as “hot swappable,” this
means you can add new devices or
remove existing ones when the system is
running.
IANA
Internet Assigned Numbers Authority
(IANA) is responsible for the global coordi-
nation of the DNS Root, IP addressing,
and other Internet protocol resources.
initiator
System component, such as a network
interface card, that originates an I/O
operation.
input/output control
See IOCTL .
input/output control block
See IOCB .
Internet Assigned Numbers Authority
See IANA .
Internet simple name service
See iSNS .
Internet small computer system interface
See iSCSI .
IOCB
Input/output control block.
IOCTL
Input/output control. A system call in
Unix/Linux systems that allows an applica-
tion to control or communicate with a
device driver outside usual read/write
operations.
IP
Internet protocol. A method by which data
is sent from one computer to another over
the Internet. IP specifies the format of
packets, also called
datagrams , and the
addressing scheme.