Glossary–4
Hitachi Simple Modular Storage 100 User’s Guide
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H
HBA
Host bus adapter, a circuit board and/or integrated circuit adapter
installed in a workstation or server that provides input/output
processing and physical connectivity between a server and a storage
device. An iSCSI HBA implements the iSCSI and TCP/IP protocols in a
combination of a software storage driver and hardware.
HDD
Hard disk drive.
I
Initiator
A system component that originates an I/O command over an I/O bus
or network, such as an I/O adapters or network interface cards.
I/O
Input/output.
IP
Internet Protocol, specifies the format of packets and addressing
scheme. Most networks combine IP with a higher-level protocol called
Transmission Control Protocol (TCP), which establishes a virtual
connection between a destination and a source.
IP address
An identifier for a computer or device on a TCP/IP network. Networks
using the TCP/IP protocol route messages based on the IP address of
the destination. The format of an IP address is a 32-bit numeric
address written as four numbers separated by periods. Each number
can be zero to 255 (for example, 192.168.0.200).
IP-SAN
Block-level Storage Area Networks over TCP/IP using the iSCSI
protocol.
iSCSI
Internet SCSI, an IP-based standard for connecting data storage
devices over a network and transferring data using SCSI commands
over IP networks. iSCSI enables a Storage Area Network to be
deployed in a Local Area Network.
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