User`s guide

Glossary-6
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
migration
See reconfiguration.
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
See segment.
phantom object
Object that represents a component that cannot be configured by
the controller management software; for example, a missing drive.