HP StorageWorks 2/140 director product manager user guide - Page 218

Glossary HAFM server See StorageWorks HA-Fabric Manager server. hardware log Record of FRU insertions and removals for the director. hardware management console The console runs the Hardware Management Console application (HWMCA), and is the operations and management PC platform for S/390 and zSeries servers. HBA See host bus adapter. heterogeneous fabric A fabric with both HP and non-HP products. high availability A performance feature characterized by hardware component redundancy and hot-swappability (enabling non-disruptive maintenance). High-availability systems maximize system uptime while providing superior reliability, availability, and serviceability. hop Data transfer from one fabric node to another node. homogeneous fabric A fabric consisting of only HP products. hop count The number of hops a unit of information traverses in a fabric. host bus adapter (HBA) Logic card that provides a link between the server and storage subsystem, and that integrates the operating systems and I/O protocols to ensure interoperability. hot-swapping Removing and replacing a device's components while the device continues to operate normally. hub In Fibre Channel, a device that connects nodes into a logical loop by using a physical star topology. Glossary-10 director product manager user guide