HP 6400.8400 Enterprise Virtual Array User Manual
Page 140

as described in the SES SCSI-3 Enclosure Services Command Set (SES), Rev 8b, American National
Standard for Information Services.
Enclosure Services
Interface
See ESI.
Enclosure Services
Processor
See ESP.
environmental
monitoring unit
See EMU.
error code
The portion of an EMU condition report that defines a problem.
ESD
Electrostatic Discharge. The emission of a potentially harmful static electric voltage as a result of
improper grounding.
ESI
Enclosure Services Interface. The SCSI-3 engineering services interface implementation developed
for storage products. A bus that connects the EMU to the disk drives.
ESP
Enclosure Services Processor. An EMU that implements an enclosure’s services process.
event
Any significant change in the state of the Enterprise storage system hardware or software
component reported by the controller to HP P6000 Command View.
See also controller event, drive enclosure event, management agent event, and termination event.
Event Information
Packet
See EIP.
Event Number
A sequential number assigned to each Software Code Identification (SWCID) event. It is a decimal
number in the range 0-255.
Evt No.
See Event Number.
exabyte
A unit of storage capacity that is the equivalent of 2
60
bytes or 1,152,921,504,606,846,976
bytes. One exabyte is equivalent to 1,024 petabytes.
F
fabric
A network of Fibre Channel switches or hubs and other devices.
fabric port
A port which is capable of supporting an attached arbitrated loop. This port on a loop will have
the AL_PA hexadecimal address 00 (loop ID 7E), giving the fabric the highest priority access to
the loop. A loop port is the gateway to the fabric for the node ports on a loop.
failover
See array controller failover or DR group failover.
failsafe
A safe state that devices automatically enter after a malfunction. Failsafe DR groups stop accepting
host input and stop logging write history if a group member becomes unavailable.
fan
The variable speed airflow device that cools an enclosure or component by forcing ambient air
into an enclosure or component and forcing heated air out the other side.
FATA
Fibre Attached Technology Adapted disk drive.
Fault Management
Code
See FMC.
FC HBA
Fibre Channel Host Bus Adapter.
See also FCA.
FCA
Fibre Channel Adapter.
See also FC HBA.
FCC
Federal Communications Commission. The federal agency responsible for establishing standards
and approving electronic devices within the United States.
FCP
Fibre Channel Protocol.
fiber
The optical media used to implement Fibre Channel.
fiber optic cable
A transmission medium designed to transmit digital signals in the form of pulses of light. Fiber
optic cable is noted for its properties of electrical isolation and resistance to electrostatic
contamination.
140 Glossary