Glossary - HP P9000 Manual

Glossary

CB Circuit breaker.
CHA Channel adapter. A device that provides the interface between the array and the external host
system. Occasionally, this term is used synonymously with the term channel host interface processor
(CHIP).
C-Track Continuous Track. An HP software program that detects internal hardware component problems
on an array and automatically reports them to HP Support Services.
DKC Disk controller.
HDD Hard disk drive.
PDP Power distribution panels.
PDU Power distribution unit. The rack device that distributes conditioned AC or DC power within a
rack.
port A physical connection that allows data to pass between a host and the disk array. The number
of ports on a disk array depends on the number of supported I/O slots and the number of ports
available per I/O adapter. The P9000 and XP family of disk arrays supports Fibre Channel (FC)
ports as well as other port types. Ports are named by port group and port letter, such as CL1-A.
CL1 is the group; A is the port letter.
Remote Web A browser-based program installed on the SVP that allows you to configure and manage the disk
Console array.
SAS Serial Attached SCSI.
44 Glossary