disk array
Disk array, or just array, is a complete storage system, including the
control and logic devices, storage devices (HDD, SSD), connecting cables,
and racks
disk controller (DKC)
The hardware component that manages front-end and back-end storage
operations. The term DKC can refer to the entire storage system or to the
controller components.
DKC
See disk controller (DKC).
DKCMAIN
disk controller main. Refers to the software for the storage system.
DKU
disk unit. Refers to the cabinet (floor model) or rack-mounted hardware
component that contains data drives and no controller components.
dump
A collection of data that is saved to a file when an error or crash occurs.
The data is used by support personnel to determine the cause of the error
or crash.
Dump tool
Downloads Device Manager - Storage Navigator configuration information
onto recording media for backup and troubleshooting purposes.
E
emulation
The operation of a storage system to emulate the characteristics of a
different storage system. For device 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.
Glossary 391
System Administrator Guide for VSP Gx00 models and VSP Fx00 models
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