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Glossary-8
Glossary
redundant
The ability of an array to maintain operability when one or more
hardware failures occur. RAID 1 is an example of a redundant
array. In the event of a drive failure, redundant arrays can be
restored to normal operation by replacing the failed drive and
rebuilding the array.
rescan
Process of updating the current screen to show all currently
available resources.
S
segment
Disk drive or portion of a disk drive used to create a logical device.
A disk can include RAID segments and available segments. A
RAID segment is part of a logical device; it can be used by only one
logical device at a time. Available segments can be used to define a
new logical device. If the disk is not part of any logical device, the
entire disk is an available segment.
Serial ATA (SATA)
A successor to ATA that uses a serial, instead of parallel, interface.
simple volume
A volume made up of disk space from a single disk. It can consist
of a single region on a disk or concatenated, multiple regions of the
same disk.
single-level array
Array created from one or more partitions. See also volume, spanned
volume, RAID signature, and RAID 1 on page E-2.
spanned volume
A simple volume that spans two or more drives.
spare
See hotspare.