| Oracle9i
Data Guard protects your data against errors, failures, and
corruption that could affect your business. It protects
critical data by automating the creation, management, and monitoring
aspects of a standby database environment. It automates the
otherwise manual process of maintaining a transactionally consistent
copy of an Oracle production database. Database administrators
no longer need to copy archived redo logs to the remote host
and apply them in order for the primary database and standby
database to remain synchronized.
Oracle Data Guard Manager, part of Oracle
Enterprise Manager, provides the monitoring, control, and
automation necessary to manage a Data Guard configuration,
including the primary and standby databases, and the log transport
and log apply services. Data Guard Manager controls and monitors
configurations to dramatically reduce the time required to
implement standby database solutions.
A Create Configuration Wizard steps you through
the creation of a Data Guard configuration and allows you
to select the primary database, create a new standby database
or add an existing standby database. Data Guard Manager
also continuously monitors the health, status, operations,
and properties of the configuration. If an error occurs,
the Data Guard Manager alerts you and allows you to pause
standby operations. It also monitors the progress
of log archival and application, depicted below:
A sophisticated error detection mechanism
can trigger event notifications. A sample of available
events is shown below:
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Oracle9i
Database Daily Features
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