HP ProLiant 4500 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator Gui - Page 173

Glossary-3 Fibre Channel Array Fibre Channel Fibre Channel Host Adapter Fibre Channel Host Controller Fibre Channel array controller Heartbeat High availability Host Host bus adapter Host bus adapter failover Hot pluggable Hot spare Interconnect See RA4000 (Compaq StorageWorks RAID Array 4000) An IEEE standard for providing high-speed data transfer among workstations, mainframes, supercomputers, desktop computers, storage devices, and display devices. See Compaq StorageWorks Fibre Channel Host Adapter. See Also host bus adapter. See Compaq StorageWorks Fibre Channel Host Adapter. See Also host bus adapter. See Compaq StorageWorks RA4000 array controller. A signal transmitted between cluster nodes to indicate each node's operating state. A term used to identify a computer system that can continuously deliver services to its clients 99.9 percent of the time (no more than 8.5 hours of downtime per year). The central or controlling computer in a system of computers connected by communications links. A card used to connect a peripheral to the host server. Also called host adapter. The process of moving the operation of all I/O from one host bus adapter to another host bus adapter. This can be accomplished manually using Compaq Redundancy Manager or automatically upon failure of one of the adapters. Computer components that can be removed and replaced without powering down the system. A computer component that is powered on, not actively processing data, and awaiting a request to take over operation of failed component. A physical connection between cluster nodes that transmits intracluster communication.