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MS-9246 1U Rackmount Server
Provides redundancy by storing identical copies on two drives. See also mirrored
array/mirroring.
RAID signature
The area on each disk reserved for use by the RAID controller.
RAID volume
Concatenates two or more arrays of the same type.
rebuild
Background regeneration of redundant data on a RAID 1.
redundant
The ability of an array to maintain operability when one or more hardware failures
occur. RAID 1 is redundant. In the event of a drive failure, redundant arrays can be
restored to normal operation by replacing the failed drive and rebuilding the array.
re sc an
Process of updating the current screen to show all currently available resources.
S
Serial ATA (SATA)
A successor to ATA that uses a serial, instead of parallel, interface.
simple v olume
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 segments. See also volume, spanned volume, RAID
0, RAID 1.
snap shot
Instantaneous read-only copy of an array at a precise point in time.
spanned volume
A simple volume that spans two or more drives.
st ri pe
Contiguous set of data distributed across all the disks in an array. A striped array
distributes data evenly across all members in equalized sections called stripes.
stripe size
The amount of data in each section of a striped array.
striped array
See RAID 0.
B-28
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