Veritas Storage Foundation™ for Oracle 5.0.1 Administrator's Guide

tablespace In an Oracle database, an allocation of space used to hold schema objects (triggers,
stored procedures, tables, etc.). A tablespace is associated with one or more
datafiles.
terabyte A measure of memory or storage. A terabyte is approximately 1,000,000,000,000
bytes (technically, 2 to the 40th power, or 1,000 GB). Also TB.
throughput A measure of work accomplished in a given amount of time. For file systems, this
typically refers to the number of I/O operations in a given period of time.
unbuffered I/O I/O that bypasses the file system cache for the purpose of increasing I/O
performance (also known as direct I/O).
Veritas Enterprise
Administrator
Application that is required to access graphical user interface (GUI) functionality.
Veritas Extension for
Oracle Disk Manager
A feature of Veritas Storage Foundation for Oracle that lets Oracle create and
manage database storage, as well as performing I/Os in a file system without the
performance degradation typically associated with running databases on file
systems.
Veritas NetBackup
(NBU)
A product that lets you back up, archive, and restore files, directories, or raw
partitions that reside on your client system.
Veritas Volume
Replicator (VVR)
A feature of Veritas Volume Manager, VVR is a data replication tool designed to
contribute to an effective disaster recovery plan.
volume A logical disk device that appears to applications, databases, and file systems as
a physical disk partition. A logical disk can encompass multiple or one to many
physical volumes.
volume layout A variety of layouts that allows you to configure your database to meet
performance and availability requirements. This includes spanning, striping
(RAID-0), mirroring (RAID-1), mirrored stripe volumes (RAID-0+1), striped mirror
volumes (RAID-1+0), and RAID 5.
volume manager objects Volumes and their virtual components. See “object (VxVM).”
VVR See “Veritas Volume Replicator (VVR).”
vxfs or VxFS The acronym for Veritas File System.
vxvm or VxVM The acronym for Veritas Volume Manager.
Glossary410