Users Guide

Table Of Contents
User’s Guide—QConvergeConsole Plug-ins for vSphere
Glossary
Doc. No. TD-000965 Rev. 1
January 21, 2021 Page 264 Copyright © 2021 Marvell
message signaled interrupts
See MSI, MSI-X.
MSI, MSI-X
Message signaled interrupts. One of two
PCI-defined extensions to support
message signaled interrupts (MSIs), in
PCI 2.2 and later and PCI Express. MSIs
are an alternative way of generating an
interrupt through special messages that
allow emulation of a pin assertion or
deassertion.
MSI-X (defined in PCI 3.0) allows a device
to allocate any number of interrupts
between 1 and 2,048 and gives each inter-
rupt separate data and address registers.
Optional features in MSI (64-bit
addressing and interrupt masking) are
mandatory with MSI-X.
MTU
Maximum transmission unit. Refers to the
size (in bytes) of the largest packet (IP
datagram) that a specified layer of a
communications protocol can transfer.
multiboot
The act of installing multiple operating
systems on a computer, and being able to
choose which one to boot when starting
the computer. Multibooting may require a
custom boot loader.
N_Port
Node port. A port that connects by a
point-to-point link to either a single N_Port
or a single F_Port. N_Ports handle
creation, detection, and flow of message
units to and from the connected systems.
N_Ports are end ports in virtual
point-to-point links through a fabric, for
example, N_Port to F_Port to F_Port to
N_Port using a single Fibre Channel fabric
switch.
network interface card
See NIC.
NIC
Network interface card. Computer card
installed to enable a dedicated network
connection.
NIC partitioning
See NPAR.
node port
See N_Port.
NPAR
NIC partitioning. The division of a single
NIC port into multiple physical functions or
partitions, each with a user-configurable
bandwidth and personality (interface type).
Personalities include NIC, FCoE, and
iSCSI.
path
A path to a device is a combination of a
adapter port instance and a target port as
distinct from internal paths in the fabric
network. A fabric network appears to the
operating system as an opaque network
between the adapter (initiator) and the
target.
Because a path is a combination of an
adapter and a target port, it is distinct from
another path if it is accessed through a
different adapter and/or it is accessing a
different target port. Consequently, when
switching from one path to another, the
driver might be selecting a different
adapter (initiator), a different target port, or
both.