Instruction Manual

cache battery in-
dicator
1. An orange light emitting diode (indicator) that illuminates on the controller
operator control panel (OCP) to define the status of the HSV Controller
cache batteries.
2. An amber status indicator that illuminates on a cache battery. When
illuminated, it indicates that one or more cache ba ttery cells have failed
and the battery must be replaced with a new bat tery.
carrier A drive-enclosure-compatible assembly containing a disk drive or other storage
devices.
client A software program that uses the ser vices of another software program. The HP
Command View EVA client is a standard internet browser.
clone See Virtual Disk Copy.
communication
logical unit num-
ber (LUN)
See console LUN.
condition repor t A three-element code generated by the EMU in the form where e.t. is the
element type (a hexadecimal number)
, en. is the element number (a decimal
number), and ec is the condition code (a decimal number).
console LUN A SCSI-3 virtual object that makes a controller pair ac cessible by the host before
any virtual disks are created. Also called a communication LUN.
console LUN ID The ID that can be assigned when a host operating system requires a unique ID.
The console LUN ID is assigned by the user, usually when the storage system
is initialized.
See also console LUN.
controller Ahardware/firmware device that manages com munications between host
systems and other devices. Controllers typically differ by the type of interface to
the host and provide functions beyond those the devices s uppor t.
controller enclo -
sure
A unit that holds one or more controllers, power supplies, blowers, cache
batteries, transceivers, and connectors.
controller event Asignificant occurrence involving any storage system hardware or software
component reported by the controller to H P Command View EVA.
controller fault
indicator
An am ber fault indicator that illuminates on the controller O C P to indicate when
there is an HSV Controller fault.
controller pair Two interconnected controller modules which together control the disk enclosures
in the storage system.
corrective action
code
See CAC.
CRITICAL Condi-
tion
A drive enclosure EMU condition that occurs when one or more drive enclosure
elements have failed or are operating outside of their specifications. The failure
of the element makes continued normal operation of at least some elements in
the enclosure impossible. Some enclosure elements may be able to continue
normal operations. Only a n UNRECOV ERABLE condition has precedence.
This condition has precedence over NONCRITICAL errors and INFORMATION
condition.
CRU Customer Replaceable Unit. A storage system element that a user can repla
ce
without using special tools or techniques, or special training.
customer replace-
able unit
See CRU.
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