HP XP P9500 Storage - Manual (Page 361)

disk array model. Each CU can manage multiple LDEVs; therefore, both the CU number and the
LDEV number are required to identify an LDEV.
CV AE P9000 Command View Advanced Edition or XP Command View Advanced Edition. An HP
software product that is installed on a user-provided server and provides a browser-based platform
from which you can manage the P9000 and XP family of disk arrays.
CVS Custom volume size. CVS devices (OPEN-x CVS or 3390-x CVS) are custom volumes configured
using array management software to be smaller or larger than normal fixed-size OPEN or
mainframe system volumes. Synonymous with volume size customization (VSC). OPEN-V is a
CVS-based volume.
C-Track Continuous Track. An HP software program that detects internal hardware component problems
on an array and automatically reports them to HP Support Services.
daemon A process in UNIX systems that runs in the background, without any direct user console or terminal
interaction.
DFSMS Data Facility Storage Management Subsystem.
DHCP Dynamic host configuration protocol.
DKA Disk adapter.
DKC Disk controller.
DKU Disk Unit.
DW Duplex write.
DWL Duplex write line.
emulation mode The LDEVs associated with each RAID group are assigned an emulation mode that makes them
operate like OPEN system disk drives. The emulation mode determines the size of an LDEV or
volume.
OPEN-V: User-defined custom size
3390-3/3R: 2.838 GB
3390-9: 8.514 GB
3390-L: 27.844 GB
3390-M: 55.689 GB
3380-3 2.377 GB
EPO Emergency power-off.
ERC Error reporting communications.
ESW Express switch adapter.
ExSA Extended serial adapter.
failover The process that occurs when one device assumes the workload of a failed companion device.
Failovers can be planned or unplanned.
FBA Fixed-block architecture.
FC-AL Fibre Channel Arbitrated Loop.
FC-FP Fibre Channel Framing Protocol
fence level A method of setting rejection of P9000 or XP Continuous Access write I/O requests from the host
according to the condition of mirroring consistency.
Fibre Channel A data transfer architecture designed for mass storage devices and other peripheral devices that
require high bandwidth.
Fibre Channel Loop An enclosure that provides twelve-port central interconnect for Fibre Channel Arbitrated Loops
following the ANSI Fibre Channel drive enclosure standard.
FICON Fibre connectivity. An FC layer 4 protocol used to map mainframe channel command and data
I/O operations onto standard FC infrastructure, protocol, and FC services.
GUID Globally unique identifier.
HBA Host bus adapter.
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