Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide

Glossary 3
Compaq Confidential – Need to Know Required
Writer: John Blackburn Project: Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide Comments:
Part Number: 225082-002 File Name: j-Glossary.doc Last Saved On: 6/13/01 10:32 AM
Load balancing
To balance the amount of work (processing) undertaken by each
node in a cluster.
NIC
Network Interface Controller. A board that allows a computer to be
connected with a network, and works with the network operating
system to control the flow of information over the network.
Node
An individual server in a cluster.
NTFS
New Technology File System. A file organization system by which
data is stored and accessed in a Microsoft Windows NT operating
system.
Operating
System
Dependent (OSD)
layer
A collection of low-level software modules that monitors critical
clustering hardware components and constantly transmit/receive
cluster state information to and fromOracle8i Parallel Server.
Oracle Parallel
Server Option
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.
Oracle Universal
Installer
An installation application used to install and de-install both Oracle8i
software and the hardware vendor’s Operating System Dependent
modules for Oracle8i.
POST
Power-On Self-Test. A set of operations executed every time a
system is turned on to verify that components are present and
operating.
Raw partition
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.
RAID
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.
Reliability
The continuous integrity of a system (server, storage, network, or
cluster).
Resource
A software or hardware entity upon which a client/server application
or service is dependent. As it pertains to the PDC/O2000, a cluster
resource must have the ability to be managed by the cluster and
must reside on one of the cluster nodes.