Adaptec 1210SA - Serial ATA RAID Controller Guide de l'utilisateur télécharger pdf (Page 80)

Glossary-2

Glossary

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.

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.

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Adaptec 1210SA - Serial ATA RAID Controller Guide de l'utilisateur Page 80