Hitachi VSP Gx00 series User Manual

E
emulation
The oper
ation of a storage system to emulate the characteristics of a dierent storage system. For
de
vice emulation, the mainframe host recognizes the logical devices on the storage system as 3390-
x devices. For controller emulation, the mainframe host recognizes the control units (CUs) on the
storage system as 2105 or 2107 controllers.
The storage system operates the same as the storage system being emulated.
emulation group
A set of device emulation types that can be intermixed within a RAID group and treated as a group.
external application
A software module that is used by a storage system but runs on a separate platform.
external volume
A logical volume whose data resides on drives that are physically located outside the Hitachi storage
system.
F
FC
Fibre Channel; FlashCopy
FC-AL
bre-channel arbitrated loop
FCP
bre-channel protocol
FCSP
bre-channel security protocol
FICON
Fibre Connectivity
ash drive
A data drive that uses a solid-state memory device instead of a rotating hard disk.
ash module
A high speed data storage device that includes a custom ash controller and several ash memory
sub-modules on a single PCB.
FMD
See ash module
H
HBA
host bus adapter
HDD
hard disk drive
HDT
Hitachi Dynamic Tiering
Glossary
System Administrator Guide for VSP Gx00 models and VSP Fx00 models 352

Hitachi VSP Gx00 series Specifications

General

Brand	Hitachi
Model	VSP Gx00 series
Category	Storage
Language	English