HP Workstation xw6000 Adaptec SCSI RAID 2120S: Software User's Guide - Page 119

monitoring, multilevel array, offline array, offset, optimal, parity, partition, phantom object

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Glossary monitoring Process of receiving, displaying, and logging system events. multilevel array See dual-level array. O OCE Online Capacity Expansion. The incremental expansion of an array that requires no downtime and retains all the attributes of the original array. See also reconfiguration, RAID 0, RAID 5. offline array Array that can no longer be accessed. offset Distance from the beginning of a disk to the start of a segment. optimal An array in its normal operational state in which all of the components are present and operating correctly is optimal. For redundant arrays, the entire array is protected. P parity Form of error-checking redundancy used to protect the data in a RAID 5. partition See segment. phantom object Object that represents a component that cannot be configured by the controller management software; for example, a missing drive. physical drive Single drive. See also logical device. A-9

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A-9
Glossary
monitoring
Process of receiving, displaying, and logging system events.
multilevel array
See
dual-level array
.
O
OCE
Online Capacity Expansion. The incremental expansion of an array
that requires no downtime and retains all the attributes of the
original array. See also
reconfiguration
,
RAID 0
,
RAID 5
.
offline array
Array that can no longer be accessed.
offset
Distance from the beginning of a disk to the start of a segment.
optimal
An array in its normal operational state in which all of the
components are present and operating correctly is optimal. For
redundant arrays, the entire array is protected.
P
parity
Form of error-checking redundancy used to protect the data in a
RAID 5.
partition
See
segment
.
phantom object
Object that represents a component that cannot be configured by
the controller management software; for example, a missing drive.
physical drive
Single drive. See also
logical device
.