HP XP P9500 Storage User Manual
Page 122

ERC
error reporting communications
ESCON
Enterprise System Connection
EXCTG
See extended consistency group (ECTG).
EXG
external volume group
ext.
external
extended
consistency group
(EXCTG)
A set of Continuous Access Journal Z journals in which data consistency is guaranteed. When
performing copy operations between multiple primary and secondary systems, the journals must
be registered in an EXCTG.
external
application
A software module that is used by a storage system but runs on a separate platform.
external port
A fibre-channel port that is configured to be connected to an external storage system for External
Storage operations.
external volume
A logical volume whose data resides on drives that are physically located outside the HP storage
system.
failback
The process of switching operations from the secondary path or host back to the primary path
or host, after the primary path or host has recovered from failure. See also failover.
failover
The process of switching operations from the primary path or host to a secondary path or host
when the primary path or host fails.
FBA
fixed-block architecture
FC
fibre channel; FlashCopy
FC-AL
fibre-channel arbitrated loop
FCA
fibre-channel adapter
FCIP
fibre-channel internet protocol
FCP
fibre-channel protocol
FCSP
fibre-channel security protocol
FIBARC
Fibre Connection Architecture
FICON
Fibre Connectivity
FIFO
first in, first out
free capacity
The amount of storage space (in bytes) that is available for use by the host system(s).
FSW
fibre switch
FTP
file-transfer protocol
FV
fixed-size volume
FWD
fast-wide differential
GID
group ID
GUI
graphical user interface
H-LUN
host logical unit
HA
high availability
HACMP
High Availability Cluster Multi-Processing
host failover
The process of switching operations from one host to another host when the primary host fails.
host group
A group of hosts of the same operating system platform.
host mode
Operational modes that provide enhanced compatibility with supported host platforms. Used
with fibre-channel ports on RAID storage systems.
host mode option
Additional options for fibre-channel ports on RAID storage systems. Provide enhanced functionality
for host software and middleware.
HRpM
HP Replication Manager
iFCP
internet fibre-channel protocol
IML
initial microcode load; initial microprogram load
122
Glossary