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HP StorageWorks XP12000 Disk Array Site Preparation Guide
disk array frame
(DKU)
The disk array frame (DKU) refers to the array hardware that houses the
physical disks in the array.
disk recovery and
restore unit (DRR)
The unit located on the ACP that is 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 firmware.
In most cases, the disk type is identical to the disk model number.
DMP
Dynamic multipathing.
dr
Drive.
DSF
Device support facilities.
DW
Duplex write.
DWL
Duplex write line.
ECKD
Extended count key data.
EFS
The IRIX standard file system.
emulation modes
The logical devices (LDEVs) associated with each RAID group can have
one of the following emulation modes. These modes change the behavior of
the disks and determine their size.
OPEN-3:
2.46 GB
OPEN-8:
7.38 GB
OPEN-9:
7.42 GB
OPEN-E:
13.56 GB
OPEN-K:
1.74 GB
OPEN-L:
36 GB
OPEN-M:
47 GB
(XP512/Windows 2000 only)
EOF
End of field.
EPO
Emergency power-off.
EREP
Error reporting.
