HP storageworks HSG80 Reference Manual page 219

Glossary
forced errors
A data bit indicating that a corresponding logical data block contains unrecoverable data.
frame
An invisible unit used to transfer information in Fibre Channel.
FRU
Field Replaceable Unit. A hardware component that can be replaced at a customer location by
StorageWorks authorized service providers.
FRUTIL
Field Replacement Utility.
full duplex (adj)
Pertaining to a communications method in which data can be transmitted and received at the
same time.
full duplex (n)
A communications system in which there is a capability for 2-way transmission and
acceptance between two sites at the same time.
FWD SCSI
A fast, wide, differential SCSI bus with a maximum 16-bit data transfer rate of 20 MB/s. See
also SCSI; FD SCSI.
GBIC
Gigabit Interface Converter. The devices that are inserted into the ports of the Fibre Channel
switch and that hold the Fibre Channel cables.
giga
9
A prefix indicating a billion (10 ) units, as in gigabaud or gigabyte.
gigabaud
9
An encoded bit transmission rate of one billion (10 ) bits per second.
gigabyte
9
A value normally associated with the storage capacity of a disk drive, meaning a billion (10 )
bytes. The decimal value 1024 is usually used for one thousand.
GLM
Gigabit Link Module.
HSG80 Array Controller V8.7 Command Line Interface Reference Guide Glossary–11