Hp MPX200 Multifunction Router Bedienungsanleitung Seite 252

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SAN facilities over IP networks. This facilitates data sharing over a geographically distributed
enterprise.
FCoE Fibre Channel over Ethernet. An encapsulation of Fibre Channel frames over Ethernet networks.
This allows Fibre Channel to use 10 Gigabit Ethernet networks while preserving the Fibre Channel
protocol. For more information, visit www.fcoe.com.
Fibre Channel See FC.
Fibre Channel over
Ethernet
See FCoE.
G
GbE Gigabit Ethernet.
H
heartbeat A periodic synchronization signal issued by cluster software or hardware to indicate that a node
is an active member of the cluster. The MPX200 heartbeat LED blinks at a rate of once per second
during normal operation.
I
initiator A media (host) server that runs the backup/restore application that passes commands and data
between the network and the VLS.
IP-SAN Internet Protocol SAN.
IQN iSCSI qualified name.
iSCSI Internet small computer system interface. Transmits native SCSI over the TCP/IP stack. In a system
supporting iSCSI, a user or software application issues a command to store or retrieve data on
a SCSI storage device. The request is processed by the operating system and is converted to one
or more SCSI commands that are then passed to software or to a card. The command and data
are encapsulated by representing them as a serial string of bytes proceeded by iSCSI headers.
The encapsulated data is then passed to a TCP/IP layer that breaks it into packets suitable for
transfer over the network. If required, the encapsulated data can also be encrypted for transfer
over an insecure network.
ISL Interswitch link.
iSNS Internet Storage Name Service.
J
jumbo frame In an iSCSI network, a frame that can contain 9000 bytes for large data transfers. A normal
frame can contain 1500 bytes.
K
keyword An identifier that has a particular meaning to the command.
L
lossless A class of data compression algorithms that allows the exact original data to be reconstructed
from compressed data.
lossy A class of data compression algorithms that allows an approximation of original data to be
reconstructed from compressed data.
LUN Logical unit number. Representation of a logical address on a peripheral device or array of
devices.
LVM Logical Volume Manager.
252 Glossary
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