Glossary-2
Adaptec Ultra320 SCSI Cards User’s Guide
check point
A feature that enables you to exit the SCSISelect utility when an
operation is in progress and be able to continue without
interruption. The driver then resumes the operation from where
the BIOS left off and the BIOS resumes the operation where the
driver left off.
critical array
An array that is still operational, but is no longer maintaining
redundant data.
D
discovery
The process by which information about a system or subsystem is
obtained.
disk
disk ID
Consists of the bus number, SCSI ID, and LUN, for example, 1:04:0.
See also bus; LUN; SCSI ID.
drive light
An indicator light on a disk that illuminates during read or write
operations.
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
U320 UG.book Page 2 Tuesday, September 23, 2003 1:47 PM
