K28.5

A special 10-bit character that indicates the beginning of a

 

transmission word that performs FC control and signaling

 

functions. The first seven bits are the common pattern.

kernel flash

Flash (temporary) memory connected to the peripheral bus of

 

the processor and visible within the processor’s memory space.

 

Also called a user flash.

L_Port

Loop port. A node port (NL_Port) or fabric port (FL_Port) that

 

has arbitrated loop capabilities. An L_Port can be in one of

 

two modes:

 

Fabric mode: Connected to a port that is not loop capable

 

and is using fabric protocol.

 

Loop mode: In an arbitrated loop and using loop protocol.

 

An L_Port in loop mode can also be in participating mode

 

or non-participating mode.

 

See also non-participating mode.

latency

The time required to transmit a frame from the time it is sent

 

until it arrives. Together, latency and bandwidth define the

 

speed and capacity of a link or system.

link

With respect to FC, a physical connection between two ports,

 

consisting of both transmit and receive fibers.

link services

A protocol for link-related actions.

LIP

Loop initialization primitive. The signal that begins initialization

 

in a loop. It indicates either loop failure or the resetting of

 

a node.

LM_TOV

Loop master time-out value. The minimum time that the loop

 

master waits for a loop initialization sequence to return.

loop failure

Loss of signal within a loop for any period of time; loss of

 

synchronization for longer than the time-out value.

Loop_ID

A hexadecimal value representing one of the 127 possible

 

AL_PA values in an arbitrated loop. See also AL_PA.

loop initialization

The logical procedure used by an L_Port to discover its

 

environment. Can be used to assign AL_PA addresses, detect

 

loop failure, or reset a node. See also AL_PA.

LPSM

Loop port state machine. The logical entity that performs

 

arbitrated loop protocols and defines the behavior of L_Ports

 

when they require access to an arbitrated loop. See also L_Port.

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HP Brocade 4Gb SAN c-Class BladeSystem manual Lip, Lmtov, Lpsm