HP Workstation xw8000 - Manual (Page 121)

A-11
Glossary
RAID 10
Dual-level array created by using two or more equal-sized RAID 1s
to create a RAID 0. See also
stripe , stripe set .
RAID 50
Dual-level array created by using two or more equal-sized
RAID 5s. See also
RAID 0 , stripe , stripe size .
RAID signature
The area on each disk reserved for use by the RAID controller.
RAID volume
Concatenation of multiple RAID 0, RAID 1, or RAID 5 arrays.
rebuild
Background regeneration of redundant data (and/or parity ) on a
RAID 1, 5, 10 or 50.
reconfiguration
Process of expanding an array or migrating an array from one
RAID type to another; changing the
stripe size of a RAID 0,
RAID 5 , RAID 10 or RAID 50 or moving a logical device’s segment s
to other disks.
redundant
The ability of an array to maintain operability when one or more
hardware failures occur. RAID 1, 5, 10 and 50 are 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
SAF-TE
SCSI Accessed Fault-Tolerant Enclosure. See enclosure .
UG.book Page 11 Saturday, October 26, 2002 12:08 PM