Glossary-8
Glossary
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.
rescan
Process of updating the current screen to show all currently
available resources.
S
segment
Reserved area on a physical disk that is a by-product of array
creation or
operation. In other words, when the
software creates an array, it automatically converts space into
segments. A segment is always part of a logical device and cannot
be used by more than one logical device at a time.
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 segments. See also
snapshot
Instantaneous read-only copy of an array at a precise point in time.
spanned volume
A simple volume that spans two or more drives.
