HP Workstation xw8000 - Manual (Page 119)

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 .
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