HP StorageWorks Fabric OS 5.0.0 Diagnostics and System Error Messages Reference Guide (AA-RW1SA-TE, May 2005)

Fabric OS 5.0.0 diagnostics and system error messages reference guide 405
hot swappable
A component that can be replaced under power.
HTTP
Hypertext Transfer Protocol. The standard TCP/IP transfer protocol used on the World Wide Web.
hub
A Fibre Channel wiring concentrator that collapses a loop topology into a physical star topology. Nodes are
automatically added to the loop when active and removed when inactive.
ICT
Intracircuit test.
ID_ID
Insistent domain ID. A parameter of the configure command in the HP StorageWorks Fabric OS.
Insistent Domain ID Mode
Sets the domain ID of a switch as insistent, so that it remains the same over reboots, power cycles, failovers, and
fabric reconfigurations.
integrated fabric
The fabric created by an HP StorageWorks SAN Switch Integrated/64, consisting of six HP StorageWorks 1 GB
switches cabled together and configured to handle traffic seamlessly as a group.
IOCTL
I/O control.
iSCSI
Internet Small Computer Systems Interface. A protocol that defines the processes for transferring block storage
applications over TCP/IP networks by encapsulating SCSI commands into TCP and transporting them over the
network via IP.
iSCSI Gateway Service
The HP StorageWorks multiprotocol SAN routing service that maps the FCP protocol to the IP transport. This service
projects iSCSI hosts onto the backbone fabric of a gateway switch.
ISL
Interswitch link. A Fibre Channel link from the E_Port of one switch to the E_Port of another. See also cascade, E_Port.
ISP
Internet service provider.
JBOD
Just a bunch of disks. A number of disks connected in a single chassis to one or more controllers. See also RAID.
jitter
A deviation in timing for a bit stream as it flows through a physical medium.