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Glossary
logical device
Volume comprised of space from one or more physical drives and
presented to the operating system as if it were a single storage unit.
low-level format
Process performed by the drive firmware that completely cleans
any data off the hard disk.
M
mirrored array/mirroring
See
RAID
1.
monitoring
Process of receiving, displaying, and logging system events.
O
offline array
Array that can no longer be accessed.
optimal
The state of an array when it is fully operational. For redundant
arrays, the entire array is protected.
P
partition
A section of a disk storage device created by the operating system
disk management program, in which data and/or software
programs are stored. Computers have a primary operating system
partition that contains the special files needed to boot the
computer. Each operating system partition is assigned a unique
drive letter, such as C or D. A single disk device can have multiple
partitions.
phantom object
Object that represents a component that cannot be configured by
the controller management software; for example, a missing drive.
Glossary-6
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