Hp XP Continuous Access Software Manual de usuario Pagina 246

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Glossary
C
CU Control unit.
D
DC Data center. Configurations can be either 2DC (two data centers) or 3DC (one primary and two
secondary data centers).
DKC Disk controller.
E
ESCON Enterprise systems connection An optical interface used to connect the mainframe to the control
unit; a predecessor to FICON.
H
HBA Host bus adapter.
J
JNL Journal.
L
LCP Local control port.
LUN Logical unit (also called device emulation or device type).
M
MCU Main control unit.
N
NVS Nonvolatile storage.
P
P-VOL Primary volume.
PCB Printed circuit board.
PSUE Pair suspended-error.
PSUS Pair suspended-split.
R
RAID1–5 Specific RAID architectures.
RCP Remote control port.
RCU Remote control unit.
RIO Remote I/O.
S
s# Serial number (also abbreviated as S/N).
S-VOL Secondary or remote volume. The copy volume that receives the data from the primary volume.
S/N Serial number. Also known as s#.
246 Glossary
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