AG Availability mode changed from Asyn to Synchronous

• SQL_Hunt

  SSC-Dedicated

  Points: 33518

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  May 17, 2022 at 8:20 pm

  #4034519

  Hello

  Is there any good query available to find when the AG mode is changed from Async to Sync? Unable to easily find it from the errorlog.

  Any good Tsql to filter the data would be helpful.

  Thanks.

• Johan Bijnens

  SSC Guru

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  May 18, 2022 at 12:08 pm

  #4034930

  Did you check default trace and/or system_health xe session ?

  You can monitor your AG(s) with extended events:

  ref: https://tracyboggiano.com/archive/2017/07/monitoring-availability-groups-part-3-extended-events/

   

  Johan
  
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