HP XP Continuous Access Software - Manual (Page 404)

404 HP StorageWorks Disk Array XP RAID Manager: User’s Guide
EPO Emergency power-off.
ESCON Enterprise Systems Connection (an IBM trademark). A set of IBM and
vendor products that interconnect S/390 computers with each other and
with attached storage, locally attached workstations, and other devices
using optical fiber technology and switches called ESCON Directors.
expanded LUN A LUN is normally associated with only a single LDEV. The LUN Size
Expansion (LUSE) feature allows a LUN to be associated with 2-36
LDEVs. Essentially, LUSE makes it possible for applications to access a
single large pool of storage. LUSE is an optional feature.
ExSA Extended serial adapter.
failover Automatically disconnecting a failed unit or path and replacing it with an
alternative unit or path in order to continue functioning.
FC Fibre Channel.
FC-AL Fibre Channel arbitrated loop.
FCP Fibre Channel Protocol.
fence level A method for setting rejection of a CA write I/O requests from the host
according to the condition of mirroring consistency.
FICON An I/O technology developed by IBM to connect mainframes to storage
devices at higher speeds and greater distances than the earlier Enterprise
Systems Connection (ESCON)
GB Gigabyte.
HA High availability.
HBA Host bus adapter.
HORCM_CMD A section of the RM instance configuration file that defines the disk devices
used by RM to communicate with the disk array.
HORCM_DEV A section of the RM instance configuration file that defines the volumes of
the instance.
HORCM_INST A section of the RM instance configuration file that defines how RM
groups link to remote RM instances.