Glossary
A
APD Abbreviation for All Paths Down.
B
BC Abbreviation for Business Copy
Business Copy An optional function of the disk array system.
A function for creating a logical replica of the copy source (P-VOL) when specifying Snapshot
to the physical volume (V-VOL) in the disk array system.
C
E
ESXi Abbreviation for ESXi Server
Ext Stor Abbreviation for
F
Fast Snap An optional function of the disk array system.
A function for creating a logical replica of the copy source (P-VOL) when specifying Snapshot
to the virtual volume (V-VOL) in the disk array system.
A function to improve a response time of the host IO by executing copy of data and host IO
processing asynchronously.
FS Abbreviation for Fast Snap
H
HA Abbreviation for High Availability
Host Group This is a logical component defined in a disk array system which connects the logical unit of a
disk array system to a host that communicates via Fibre Channel (FC).
J
JRE Abbreviation for Java Runtime Environment
L
LDEV Abbreviation for Logical Device
LDEV is an expression used in the XP P9500/XP7.
LUSE LUSE (LUN expansion) is an expression used in the XP P9500 and refers to large extended
volumes configured with multiple connected LDEVs.
M
MSCS Abbreviation for Microsoft Clustering Service
Called “Microsoft Failover Cluster” in Windows Server 2008.
MSFC Abbreviation for Microsoft Failover Cluster
P
P-VOL Abbreviation for Primary Volume
PDL Abbreviation for Permanent Device Loss
146 Glossary
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