Glossary
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OFC
Open Fibre Control.
OLM
Optical link module.
ORM
Online read margin.
OS
Operating system.
P/DAS
PPRC/dynamic address switching.
PA
Physical address.
parity group
A parity group is a mode of disk operation and configuration. It is
synonymous with the term RAID group.
partition
Dividing a specific physical disk according to the HP-UX kernel or device
driver layer into two or more areas as if there are two or more physical
disks.
path
Paths are created by associating a port, a target, and a LUN ID to one or
more LDEVs.
PCI
Power control interface or peripheral component interconnect.
PM
HP StorageWorks Performance Manager XP software.
port
The number of supported ports on an XP disk array is dependent upon the
number of supported I/O slots and the number of ports available per I/O
adapter. The XP family of disk arrays supports SCSI, Fibre Channel
(FC/AL), and ESCON I/O interfaces.
I/O support can vary with the
selected disk array.
Ports are named based upon their port group and port letter. Examples of
port names include CL1-A through CL1-R and CL2-A through CL2-R
(letters I and O are skipped).
P-P
Point-to-point.
PPRC
Peer-to-peer remote copy.
PS
Power supply.
P-VOL
The primary or main volume that contains the data to be copied.
