HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 174

Last Fault View, Last Termination

Page 174 highlights

IDX in-band communication INFORMATION condition initialization input/output module intake temperature interface A 2-digit decimal number portion of the HSV controller termination code display that defines one of 32 locations in the Termination Code array that contains information about a specific event. See also param and TC. The method of communication between the EMU and controller that utilizes the Fibre Channel drive enclosure bus. A drive enclosure EMU condition report that may require action. This condition is for information only and does not indicate the failure of an element. All condition reports have precedence over an INFORMATION condition. A process that prepares a storage system for use. Specifically, the system binds controllers together as an operational pair and establishes preliminary data structures on the disk array. Initialization also sets up the first disk group, called the default disk group. See I/O module. See ambient temperature. A set of protocols used between components such as cables, connectors, and signal levels. J JBOD Just a Bunch of Disks. A number of disks connected to one or more controllers. L indicator LAN laser Last Fault View Last Termination Error Array License Key link logon loop loop ID loop pair LTEA LUN Light Emitting Diode. A semiconductor diode, used in an electronic display, that emits light when a voltage is applied to it. Local area network. A group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area. A device that amplifies light waves and concentrates them in a narrow, very intense beam. An HSV Controller display defining the last reported fault condition. See LTEA. A WWN-encoded sequence that is obtained from the license key fulfillment website. A connection between ports on Fibre Channel devices. The link is a full duplex connection to a fabric or a simplex connection between loop devices. Also called login, it is a procedure whereby a user or network connection is identified as being an authorized network user or participant. See arbitrated loop. Seven-bit values numbered contiguous from 0 to 126 decimal that represent the 127 valid AL_PA values on a loop (not all 256 hexadecimal values are allowed as AL_PA values per Fibre Channel). A Fibre Channel attachment between a controller and physical disk drives. Physical disk drives connect to controllers through paired Fibre Channel arbitrated loops. There are two loop pairs, designated loop pair 1 and loop pair 2. Each loop pair consists of two loops (called loop A and loop B) that operate independently during normal operation, but provide mutual backup in case one loop fails. Last Termination Event Array. A two-digit HSV Controller number that identifies a specific event that terminated an operation. Valid numbers range from 00 to 31. Logical Unit Number. A SCSI convention used to identify elements. The host sees a virtual disk as a LUN. The LUN address a user assigns to a virtual disk for a particular host will be the LUN at which that host will see the virtual disk. 174 Glossary

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IDX
A 2-digit decimal number portion of the HSV controller termination code display that defines one
of 32 locations in the Termination Code array that contains information about a specific event.
See also
param and TC.
in-band
communication
The method of communication between the EMU and controller that utilizes the Fibre Channel
drive enclosure bus.
INFORMATION
condition
A drive enclosure EMU condition report that may require action. This condition is for information
only and does not indicate the failure of an element. All condition reports have precedence over
an INFORMATION condition.
initialization
A process that prepares a storage system for use. Specifically, the system binds controllers together
as an operational pair and establishes preliminary data structures on the disk array. Initialization
also sets up the first disk group, called the default disk group.
input/output
module
See
I/O module.
intake temperature
See
ambient temperature.
interface
A set of protocols used between components such as cables, connectors, and signal levels.
J
JBOD
Just a Bunch of Disks. A number of disks connected to one or more controllers.
L
indicator
Light Emitting Diode. A semiconductor diode, used in an electronic display, that emits light when
a voltage is applied to it.
LAN
Local area network. A group of computers and associated devices that share a common
communications line and typically share the resources of a single processor or server within a
small geographic area.
laser
A device that amplifies light waves and concentrates them in a narrow, very intense beam.
Last Fault View
An HSV Controller display defining the last reported fault condition.
Last Termination
Error Array
See
LTEA.
License Key
A WWN-encoded sequence that is obtained from the license key fulfillment website.
link
A connection between ports on Fibre Channel devices. The link is a full duplex connection to a
fabric or a simplex connection between loop devices.
logon
Also
called login, it is a procedure whereby a user or network connection is identified as being
an authorized network user or participant.
loop
See
arbitrated loop.
loop ID
Seven-bit values numbered contiguous from 0 to 126 decimal that represent the 127 valid AL_PA
values on a loop (not all 256 hexadecimal values are allowed as AL_PA values per Fibre Channel).
loop pair
A Fibre Channel attachment between a controller and physical disk drives. Physical disk drives
connect to controllers through paired Fibre Channel arbitrated loops. There are two loop pairs,
designated loop pair 1 and loop pair 2. Each loop pair consists of two loops (called loop A and
loop B) that operate independently during normal operation, but provide mutual backup in case
one loop fails.
LTEA
Last Termination Event Array. A two-digit HSV Controller number that identifies a specific event
that terminated an operation. Valid numbers range from 00 to 31.
LUN
Logical Unit Number. A SCSI convention used to identify elements. The host sees a virtual disk
as a LUN. The LUN address a user assigns to a virtual disk for a particular host will be the LUN
at which that host will see the virtual disk.
174
Glossary