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Glossary
B
bad segment
Segment that is in an unknown state.
background consistency check
Option that forces the controller to constantly check all portions of
disks used by all arrays to see if the disks can return data from the
blocks. See also
consistency check
command.
bootable array
Array configured as the boot device.
build
Background initialization of a redundant array. The array is
accessible throughout. RAID 1 copies the contents of the primary
drive to a secondary drive. See also clear.
bus
See channel.
C
cache
Fast-access memory on the controller that serves as intermediate
storage for data that is read from, or written to, drives.
capacity
Total usable space available in megabytes or gigabytes.
channel
Any path, or bus, used for the transfer of data and the control of
information between storage devices and a RAID controller. For
Serial ATA channels, each channel has a single drive capacity.
chunk
See stripe.
Glossary-2
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