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Glossary-3
Glossary
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
fault tolerance
The ability of a system to keep working in the event of hardware or
software faults. Fault tolerance is usually achieved by duplicating
key components of the system.
fault-tolerant arrays
Arrays that have duplicate components (RAID 1 and RAID 10).
G
Global Spare
A spare hard disk that automatically replaces a failed hard disk on
any array associated with any HBA.
H
hard disk
A physical hard disk on a SCSI bus.
host adapter
Electronic circuitry that supports I/O to storage devices, but which
does not support RAID.
HostRAID
Intelligent RAID on chip. Adaptec product that adds entry-level
RAID functionality to SCSI ASICs and host bus adapters.
U320 UG.book Page 3 Tuesday, September 23, 2003 1:47 PM
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