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Master Oracle information protect 11g
Provide enhanced info safety, availability, and catastrophe restoration utilizing the proven recommendations during this Oracle Press advisor. Cowritten by means of a group of Oracle specialists, Oracle information defend 11g Handbook offers a legitimate architectural origin besides most sensible practices for configuration, tracking, upkeep, and troubleshooting. you'll get complete information on enforcing deployment architectures to handle specifications that reach past catastrophe restoration. This worthy source additionally contains a entire set of tracking scripts to be had for obtain.
Develop a catastrophe restoration plan to your Oracle database to fulfill your organization's requirements
Configure and set up Oracle information safeguard on your environment
Tune and troubleshoot your actual and logical standby databases
Implement the Oracle info safeguard dealer administration framework
Integrate with Oracle Grid Control
Monitor your Oracle facts shield environment
Enable read-only companies and catastrophe restoration with Oracle lively facts Guard
Configure seamless database and alertness failover
Minimize deliberate downtime utilizing Oracle information protect switchover
Handle backup and restoration with Oracle restoration Manager
Read or Download Oracle Data Guard 11g Handbook PDF
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Additional resources for Oracle Data Guard 11g Handbook
As transactions commit, they generate redo. This is where a detailed discussion of Data Guard can begin. Redo Transport Services Data Guard Redo Transport Services coordinate the transmission of redo from a primary database to the standby database. At the same time that the primary database LGWR process is writing redo to its ORL, a separate Data Guard process called the Log Network Server (LNS) is reading from the redo buffer in SGA and passes redo to Oracle Net Services for transmission to the standby database.
Both Redo Apply and SQL Apply enable the productive use of standby databases while in a standby role, without impacting data protection or the ability to achieve recovery time objectives (RTO). Now that you know what Redo Apply and SQL Apply have in common, you need to understand the differences between the two to determine which type of standby database is best suited to your requirements. An overview of the unique characteristics and benefits of Redo Apply and SQL Apply are discussed next. Additional details are provided in Chapters 2, 3, and 4.
Data Guard can support multiple standby databases in a single Data Guard configuration, and they may all have the same, or different, protection mode setting, depending on your requirements. The different Data Guard protection modes are Maximum Performance, Maximum Availability, and Maximum Protection. Maximum Performance This mode emphasizes primary database performance over data protection. It requires ASYNC redo transport so that the LGWR process never waits for acknowledgment from the standby database.