Adaptec ASR-2120S Guía de usuario descargar pdf (Pagina 113)

A-3

Glossary

build

Background initialization of a redundant array. The array is

accessible throughout. RAID 5 generates parity based on the

current contents of the member segments while RAID 1 copies the

contents of one (master) drive to a second (slave) drive.

bus

See channel.

cache

Fast-access memory on the controller that serves as intermediate

storage for data that is read from or written to devices.

capacity

Total usable space available in megabytes or gigabytes.

channel

Any path used for the transfer of data and the control of

information between storage devices and a storage controller. Each

controller's channels are identified by a number from 0 to the

maximum number of channels minus one. Also known as a bus.

chunk

See stripe.

clear

Foreground initialization of a fault-tolerant array. A clear operation

zeros all blocks of the array. The array is not accessible until the

clear task is complete.

CLI

Command Line Interface. The CLI provides a text-based means of

configuring and managing components running on the controller.

concatenation/concatenating

Joining of physical or logical drives in sequential order.

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Adaptec ASR-2120S Guía de usuario Pagina 113