Glossary - Adaptec ICP5045BL User Manual

Glossary

A
available space
Space on a disk drive that is not being used by a logical drive. When a logical drive is deleted, its space
becomes available. See also logical drive.
B
background consistency check
A controller function that continually and automatically verifies your logical drives once they're in use.
bootable-CD mode
A way of running ICP Storage Manager, where the application is not installed but is run directly from a CD.
C
cache
A temporary, fast storage area that holds data from a slower storage device for quick access. Cache storage
is normally transparent to the accessing device.
channel
Any path used for the transfer of data and the control of information between disk drives and a RAID
controller.
controller
A hardware device that interprets signals between a host and a disk drive. Also known as an adapter or card.
See also I/O.
copyback
ICP RAID controller feature that allows data that has been moved to a hot spare to be returned to its
original location once the controller detects that the failed drive has been replaced.
D
DAS
Direct-attached Storage. Data storage that is physically connected to a server. See also LAN, SAN.