Adaptec 29320A-R User Guide - Page 196
event, event log, event notification, fault tolerance, fault-tolerant arrays, Global Spare, hard
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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. Glossary-3