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HP XP P9500 Storage User Manual

Page 184

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ports and 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.

PSUE

Pair suspended-error.

PSUS

Pair suspended-split.

R-VOL

Remote volume.

RAID group

A group of disks configured to provide enhanced redundancy, performance, or both. Specifically,
four or eight physical hard disk drives (HDDs) installed in a P9000 or XP disk array and assigned
a common RAID level. In an XP disk array this is also referred to as an array group or parity
group
.

RAID Manager

The CLI configuration and replication tool for the P9000 or XP disk array that system administrators
can use to enter RAID Manager commands from open-system hosts to perform Continuous Access,
Business Copy, Database Validator, and Data Retention operations, as well as provisioning
commands on logical devices.

RAID1/5

Specific RAID architectures.

RCU

Remote control unit.

Remote Web
Console

A browser-based program installed on the SVP that allows you to configure and manage the disk
array.

RIO

Remote I/O.

S-VOL

Secondary or remote volume. The copy volume that receives the data from the primary volume.

SIM

Service information message.

SMPL

Simplex.

SSB

Sense byte.

SVP

Service processor. A computer built into a disk array. The SVP, used only by an HP service
representative, provides a direct interface to the disk array.

synchronous

Describes computing models that perform tasks in chronological order without interruption. In
synchronous replication, the source waits for data to be copied at the destination before
acknowledging that it has been written at the source.

takeover

The process in which a remote standby disk array takes over processing from the previously active
local disk array.

V-VOL

Virtual Volume.

VOL, vol

Volume.

volume

Volume on disk. An accessible storage area on disk, either physical or virtual.

VSC

Volume size customization. Also known as CVS.

184 Glossary