Dell Adaptec U320 SCSI Raid 0 or 1 Controller Card User Manual

Page 48

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E

enclosure

A physical housing for hard disks, which can be connected internally or externally to a computer. An enclosure usually
contains one or more power supplies, fans, and temperature sensors.

enclosure ID

Consists of the bus number, SCSI ID, and LUN, for example, 1:04:0. See also bus; LUN; SCSI ID.

enclosure management device

See

enclosure

.

event

A notification or alert from the system indicating that a change has occurred.

event log

A file used to maintain information about prior controller activities or errors.

event notification

The means used by the system to communicate information about event occurrence.

F

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.

failover drive

See

hot spare

.

fault tolerance

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