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2 Replies Latest reply: Aug 22, 2013 6:40 AM by mseberg RSS

Data Gaurd Modes

182114cd-8c1f-486e-82dd-e9b1a0717aed Newbie
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1.What is maximum availability mode?

2.What is the maximum protection mode?

which one is highest mode

  • 1. Re: Data Gaurd Modes
    yasinyazici Newbie
    Currently Being Moderated

    Hi

    Maximum availability=this mode is mixture of maximum protection and maximum performance mode.Primary database dont tell operation completed to end user until write redo data both primary online log and standby online log file.if it can not write redo data to standby redo log during the time specified by net_timeout parameter it operates as in maximum performance

     

    Maximum protection=this mode ensures that no data loss while  primary database is fail.Primary database dont tell operation completed to end user until write redo data both primary online log and standby online log file.primary database has failed if primary database can not write redo information to at least one standby database logfile.

     

     

     


  • 2. Re: Data Gaurd Modes
    mseberg Guru
    Currently Being Moderated

    Hello;

     

    All 3 modes are described here:

     

    Data Guard Protection Modes

     

    Not sure I would call  any of them "highest mode". What does the business need?

     

    Best Regards

     

    mseberg

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