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G-29
Glossary
Oracle instance (Oracle specific term)
Each installation of an Oracle database
on one or more systems. One computer
system can have several instances of a
database running.
ORACLE_SID (Oracle specific term)
A unique name for an Oracle Server
instance. To switch among Oracle
Servers, specify the desired
<ORACLE_SID>. The
<ORACLE_SID> is included in the
CONNECT DATA parts of the connect
descriptor in a TNSNAMES.ORA file
and in the definition of the TNS listener
in the LISTENER.ORA file.
original system
The system configuration backed up by
Data Protector before a computer
disaster hits the system.
original unit (ZDB specific term)
A logical unit that is used as a source for
data replication using snapshot or split
mirror technologies. Depending on the
vendor and technology used, an original
unit denotes P-VOL on HP
StorageWorks Disk Array XP, parent
LUN on HP StorageWorks Virtual
Array, logical drive on HP
StorageWorks Modular SAN Array
1000, or virtual disk on HP
StorageWorks Enterprise Virtual Array.
Data in an original unit is replicated to
data in a replica unit. Original units are
on systems interpreted as physical drives
(Windows) or physical volumes
(UNIX).
See also replica unit, original storage,
and replica storage version.
original storage (ZDB specific term)
A set of original units that contain the
backup objects selected in one Data
Protector backup specification. Data in
an original storage is replicated to data
in a replica storage version by
replicating the set of original units. An
original storage is typically used by the
application system.
See also original unit, replica unit, and
replica storage version.
overwrite
An option that defines one mode to
resolve file conflicts during restore. All
files are restored from a backup even if
they are older than existing files.
See also merging.
OVO
HP OpenView Operations for Unix
provides powerful capabilities for
operations management of a large
number of systems and applications on
in a network. Data Protector provides an
integration into this management
product. This integration is implemented
as a SMART Plug-In for OVO
management servers on HP-UX and
Solaris. Earlier versions of OVO were