Adaptec RAID 2810SA Guia do Utilizador descarregar pdf (Página 146)

Glossary-4

Glossary

drive LED

Disk indicator LED that illuminates during read or write

operations.

event

Notification or alert from the system, indicating that a change has

occurred.

event log

File used to maintain information about prior controller activities

or errors.

event notification

Process for transmitting events.

failed

State of a nonredundant array that has suffered a single drive

failure, or a redundant array that has suffered multiple drive

failures. A failed array is inaccessible and data is lost.

failed segment

A segment that is no longer usable by an array because it is either

logically bad and therefore no longer needed, or physically

damaged.

failover drive

See hot spare.

fault-tolerant array

Refers to an array that can continue to function after a disk drive

failure without loss of data. See also redundant.

foreign disk

Disk that has previously been initialized on another Adaptec RAID

controller. The RAID signature on the disk allows the RAID

controller to identify whether or not the disk was initialized on the

controller it is currently connected to.

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Adaptec RAID 2810SA Guia do Utilizador Página 146