HP StorageWorks 2.32 SAN Switch - Manual (Page 329)

Web Tools Version 3.0.x/4.0.x User Guide Glossary–19
Glossary
ISL Trunking
An HP feature that enables distribution of traffic over the combined bandwidth of up to four
ISLs (between adjacent switches), while preserving in-order delivery. A set of trunked ISLs is
called a trunking group; each port employed in a trunking group is called a trunking port.
See also Master Port.
IU
Information Unit. A set of information as defined by either upper-level process protocol
definition or upper-level protocol mapping.
JBOD
Just a Bunch Of Disks. Indicates a number of disks connected in a single chassis to one or
more controllers.
See also RAID.
K28.5
A special 10-bit character used to indicate the beginning of a transmission word that performs
Fibre Channel control and signaling functions. The first seven bits of the character are the
comma pattern.
See also comma.
Kernel Flash
lash memory that stores the bootable kernel code and is visible within the processor's memory
space. Data is stored as raw bits.
Key Pair
In public key cryptography, a pair of keys consisting of an entity's public and private key. The
public key can be publicized, but the private key must be kept secret.
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 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, Participating Mode.