HP StorageWorks XP12000 HP StorageWorks XP12000 Disk Array owner's guide (AE00 - Page 75

IBM mainframe Fiber Optic Connection., Fibre Channel Protocol.

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disk recovery and The unit responsible for data recovery and restoration in the restore unit (DRR) event of a cache failure. disk group disk type emulation modes The physical disk locations associated with a parity group. The manufacturing label burned into the physical disk controller firmware. In most cases, the disk type is identical to the disk model number. The logical devices (LDEVs) associated with each RAID group are assigned an emulation mode that makes them operate like OPEN system disk drives. The emulation mode determines the size of an LDEV. EPO ESCON expanded LUN OPEN-3: 2.46 GB OPEN-8: 7.38 GB OPEN-9: 7.42 GB OPEN-E: 13.56 GB OPEN-K: Not available on this array OPEN-L: 36 GB OPEN-M Not available on this array OPEN-V: User-defined custom size Emergency power off. Enterprise System Connection (the IBM trademark for optical channels). A LUN is normally associated with only a single LDEV. The LUSE feature allows a LUN to be associated with 1 to 36 LDEVs. Essentially, LUSE makes it possible for applications to access a single large pool of storage. The LUSE feature is available when the HP StorageWorks LUN Configuration Manager product is installed. ExSA failover FC FC-AL FCP fence level FICON Extended serial adapter. 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. HP StorageWorks XP12000 Disk Array 75

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disk recovery and
restore unit (DRR)
The unit responsible for data recovery and restoration in the
event of a cache failure.
disk group
The physical disk locations associated with a parity group.
disk type
The manufacturing label burned into the physical disk controller
fi
rmware. In most cases, the disk type is identical to the disk
model number.
emulation modes
The logical devices (LDEVs) associated with each
RAID group are assigned an emulation mode that
makes them operate like OPEN system disk drives.
The emulation mode determines the size of an LDEV.
OPEN-3: 2.46 GB
OPEN-8: 7.38 GB
OPEN-9: 7.42 GB
OPEN-E: 13.56 GB
OPEN-K: Not available on this array
OPEN-L: 36 GB
OPEN-M Not available on this array
OPEN-V: User-de
fi
ned custom size
EPO
Emergency power off.
ESCON
Enterprise System Connection (the IBM trademark for optical
channels).
expanded LUN
A LUN is normally associated with only a single LDEV. The
LUSE feature allows a LUN to be associated with 1 to 36
LDEVs. Essentially, LUSE makes it possible for applications
to access a single large pool of storage. The LUSE feature
is available when the HP StorageWorks LUN Con
fi
guration
Manager product is installed.
ExSA
Extended serial adapter.
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.
HP StorageWorks XP12000 Disk Array
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