Technical data

276 Appendix A Glossary
FC-AL Fibre Channel Arbitrated Loop
FC-SW Fibre Channel-Switch Topology
Fibre channel (FC) A set of standards of interfaces that are connected through optical
fibre, etc. to achieve high-speed data transfer between devices.
Fibre Channel HBA Fibre Channel Host Bus Adapter
Fibre Channel HUB An apparatus to connect and relay Fibre Channel cables, each
connected to a Fibre Channel device in order to form an arbitrated
loop of the Fibre Channel.
Flash memory ROM that can be electrically erased and reprogrammed. A type of
EEPROM (Electrically Erasable and Programmable). It can retain
information without electricity and is widely used as an external
storage, etc.
Host computer A computer which manages devices. For the disk array, it is a
computer which enables the disk array store data.
Hot replacement Used to replace an installed part with the subsystem power on.
Usually, the major part is duplicated so that when one of the parts
fails, the subsystem function is maintained by another part.
I/F Interface
IP address IP address is an abbreviation for Internet Protocol Address; it is a
numeral string which shows an address of a computer connected to a
network.
iSCSI (Internet
Small Computer
System Interface)
It is a protocol which is used to send and receive SCSI commands on
IP network. Data can be transferred in a unit of block.
iSNS (Internet
Storage Name
Service)
iSNS is a name service for iSCSI. Targets on the network can be
detected without setting target information to the initiator by user
when using iSNS.
LA Logical Address
LBA Logical Block Address
LED Light-Emitting Diode
LRC Longitudinal Redundancy Check