HP StorageWorks XP12000 HP StorageWorks XP12000 Disk Array Owner's Guide (AE00 - Page 49

IBM mainframe Fiber Optic Connection., Hewlett-Packard Development Company.

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failover FC FC-AL FCP fence level FICON GB GLM HA HBA host mode hot standby HP I/O LAN LD, LDEV LED local disk LU LUN LUSE m MB MCU Disconnecting a failed unit or path and replacing it with an alternative unit or path in order to continue functioning. Fibre Channel. Fibre Channel arbitrated loop. Fibre Channel Protocol. A level for selecting rejection of a write I/O request from the host according to the condition of mirroring consistency. IBM mainframe Fiber Optic Connection. Gigabytes. Gigabyte link module. High availability. Host bus adapter. A built-in function or a card installed in a PC or other host computer to enable connection of the host to the SAN. Each port can be configured for a particular host type. These modes are represented as two-digit hexadecimal numbers. For example, host mode 08 represents an HP-UX host. Using two or more servers as a standby in case of a primary server failure. Hewlett-Packard Development Company. Input/output (applies to an operation or device). Local area network. Logical device. An LDEV is created when a RAID group is carved into pieces according to the selected host emulation mode (that is, OPEN-3, OPEN-8, OPEN-9). The number of resulting LDEVs depends on the selected emulation mode. The term LDEV is often used synonymously with the term volume. Light emitting diode. A disk in the host. Logical unit. Logical unit number. A LUN results from mapping a SCSI logical unit number, port ID, and LDEV ID to a RAID group. The size of the LUN is determined by the emulation mode of the LDEV, and the number of LDEVs associated with the LUN. For example, a LUN associated with two OPEN-3 LDEVs has a size of 4,693 MB. Logical unit size expansion. See also Expanded LUN. Meters. Megabytes. Main control unit. XP12000 Disk Array Owner's Guide 49

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failover
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 level for selecting rejection of a write I/O request from the host according to
the condition of mirroring consistency.
FICON
IBM mainframe Fiber Optic Connection.
GB
Gigabytes.
GLM
Gigabyte link module.
HA
High availability.
HBA
Host bus adapter. A built-in function or a card installed in a PC or other host
computer to enable connection of the host to the SAN.
host mode
Each port can be configured for a particular host type. These modes are
represented as two-digit hexadecimal numbers. For example, host mode 08
represents an HP-UX host.
hot standby
Using two or more servers as a standby in case of a primary server failure.
HP
Hewlett-Packard Development Company.
I/O
Input/output (applies to an operation or device).
LAN
Local area network.
LD, LDEV
Logical device. An LDEV is created when a RAID group is carved into pieces
according to the selected host emulation mode (that is, OPEN-3, OPEN-8,
OPEN-9). The number of resulting LDEVs depends on the selected emulation
mode. The term LDEV is often used synonymously with the term volume.
LED
Light emitting diode.
local disk
A disk in the host.
LU
Logical unit.
LUN
Logical unit number. A LUN results from mapping a SCSI logical unit number,
port ID, and LDEV ID to a RAID group. The size of the LUN is determined by the
emulation mode of the LDEV, and the number of LDEVs associated with the LUN.
For example, a LUN associated with two OPEN-3 LDEVs has a size of 4,693
MB.
LUSE
Logical unit size expansion. See also
Expanded LUN
.
m
Meters.
MB
Megabytes.
MCU
Main control unit.
XP12000 Disk Array Owner's Guide
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