Hitachi TrueCopy (TM) for Mainframe User Guide: HP XP24000 Disk Array, HP XP20000 Disk Array (T5211-96014, May 2011)

RCU Remote control unit.
RDC Remote dual copy. Also known as remote copy.
RIO Remote I/O.
RMCMAIN Remote console main software.
S
S# Serial number. Also known as S/N.
S/N Serial number. Also known as s#.
SAID System adapter ID.
SCI State-change-interrupt.
SCP State-change-pending.
SDM System data mover.
SI Hitachi ShadowImage. Also known as HP StorageWorks XP Business Copy.
SIM Service information message.
SIz ShadowImage for Mainframe.
SMS System Managed Storage.
SSB Sense byte.
SSCH Start subchannel.
SSID Subsystem identifier; storage system identifier.
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.
sync Synchronous. Pertaining to 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.
T
TB Terabyte. Equivalent to 1,000 Gb for data storage and statistics, or 1,024 Gb for memory.
TCA TrueCopy Asynchronous.
TCz
Hitachi TrueCopy™ for Mainframe.
TOD Time-of-day.
TSO Time sharing option.
U
URz Universal Replicator for Mainframe
V
VM Virtual Machine.
VOL, vol Volume.
VOLSER Volume serial number.
VSE Virtual storage extended.
VTOC Volume table of contents.
X
XRC Extended remote copy.
260 Glossary