Compaq ProLiant 6400R Compaq Parallel Database Cluster Model PDC/05000 for Ora - Page 220
Server Option, Dependent OSD
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4 Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide Operating System Dependent (OSD) layer Oracle8i Parallel Server Option POST Raw Partition RAID Reliability Resource Scalability Secure Path Service Shared resource A collection of low-level software modules that monitor critical clustering hardware components and constantly transmit/receive cluster state information to and from Oracle8i Parallel Server. A software component that ships as an option of Oracle8i Enterprise Edition. The component is responsible for enabling parallel database support. An additional license is required for Oracle8i Parallel Server. Power-On Self-Test. A set of operations executed every time a system is turned on to verify that components are present and operating. A disk partition that does not contain file system formatting information. An unformatted partition. Oracle Parallel Server requires its database files to be stored on raw partitions. Redundant Array of Inexpensive Disks. A method of using hard disk drives in an array to provide data redundancy to increase system reliability and performance. RAID is categorized into several levels. The continuous integrity of a system (server, storage, network, or cluster). A software or hardware entity upon which a client/server application or service is dependent. As it pertains to the Compaq Parallel Database Cluster, a cluster resource must have the ability to be managed by the cluster and must reside on one of the cluster nodes. The ability of a system (server, storage, network, or cluster) to grow or expand in performance, throughput, or capacity. The Compaq software that provides cluster nodes with continuous data access to MA8000/EMA12000 Storage Subsystem disks drives. Secure Path monitors each I/O path and automatically reroutes I/O to the defined backup path should a failure occur in any component along one path. A data set or operation set exported by application servers to their clients. A type of cluster organization in which some resources are accessible to all systems in the cluster.