HP XP20000/XP24000 Manual page 447

M
M-VOL Main volume.
MCU Main control unit.
MU Mirror unit.
N
NVS Nonvolatile storage.
P
P-VOL Primary volume.
P.P. Program Product.
PB Petabyte; equals 1,000^5 bytes (for physical storage such as hard disk drives) or 1,024 TB or
1,024^5 bytes (for logical storage).
PCB Printed circuit board.
PDEV Physical device.
PS Power supply.
PSUE Pair suspended-error (status).
PSUS Pair suspended-split (status).
R
R-VOL Remote volume.
RCP Remote control port.
RCU Remote control unit.
S
S-VOL Secondary or remote volume. The copy volume that receives the data from the primary volume.
SIM Service information message.
SLPR Storage logical partition.
SM Shared memory.
SMPL Simplex.
SNMP Simple Network Management Protocol. A widely used network monitoring and control protocol.
Data is passed from SNMP agents, which are hardware and/or software processes reporting
activity in each network device (hub, router, bridge, and so on) to the workstation console used
to oversee the network. The agents return information contained in a MIB (Management Information
Base), which is a data structure that defines what is obtainable from the device and what can be
controlled (turned off, on, and so on).
SSB Sense byte.
SSID Subsystem identifier; storage system identifier.
storage system HP StorageWorks XP24000/XP20000 Disk Array.
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.
T
T-VOL Target volume.
TB Terabyte. Equivalent to 1,000 Gb for data storage and statistics, or 1,024 Gb for memory.
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