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SN0054621-00 E Glossary-3
SANsurfer iSCSI HBA CLI User’s Guide
Command Line Interface for QLogic iSCSI Host Bus Adapters
A
In NetWare, the required drivers include:
Host Adapter Module (HAM). HAM is
the driver component associated with
the host adapter hardware. It provides
the functionality to route requests to
the bus where a specified device is
attached.
Custom Device Module (CDM). The
drive component associated with
storage devices. It provides the
functionality to build device-specific
commands from I/O messages
received from NetWare’s Media
Manager.
E_Port
Expansion port. A port in an FC switch that
connects to another FC switch or bridge
device by an inter-switch link. E_Ports are
used to link FC switches to form a
multi-switch fabric.
echo diagnostic test
Transmits a received signal back to the
sender to verify the integrity of the device.
Enhanced Ethernet
Also called DataCenter Ethernet or
Converged Enhanced Ethernet) refers to
new enhancements to the existing
Ethernet standard that eliminate Ethernet’s
inherently lossy nature and make 10Gb
Ethernet a viable storage networking
transport.
F_Port
The “Fabric” port in a FC fabric switch
provides a point-to-point link attachment to
a single N_Port. F_Ports are intermediate
ports in virtual point-to-point links between
end ports, for example N_Port to F_Port to
F_Port to N_Port using a single FC fabric
switch.
fabric
A fabric consists of cross-connected FC
devices and switches.
fabric switch
Also, switched fabric. A fabric switch
connects multiple devices from indepen-
dent FC-arbitrated loops (FC-ALs) and
point-to-point topologies into a fabric using
FC switches.
Fast!UTIL
QLogic Fast!UTIL FC HBA BIOS utility.
FCode
A type of boot code for Sun's SPARC
platforms. See boot code and Flash.
FC
Fibre Channel is a high-speed serial inter-
face technology that supports other higher
layer protocols such as SCSI and IP.
FCoE
Fibre Channel over Ethernet is a new
technology defined by the T11 standards
body that allows traditional FC storage
networking traffic to travel over an
Ethernet link by encapsulating FC frames
inside Layer 2 Ethernet frames. For more
information, visit www.fcoe.com
.
FL_Port
Fabric loop port. In an FC, the fabric switch
is capable of FC Arbitrated Loop opera-
tions and is connected to one or more
NL_Ports by an FC Arbitrated Loop. An
FL_Port becomes a shared entry point for
public NL_Port devices to an FC fabric.
FL_Ports are intermediate ports in virtual
point-to-point links between end ports that
do not reside on the same loop, for
example NL_Port to FL_Port to F_Port to
N_Port through a single FC fabric switch.