Mirroring is disconnected

  • Hi All,

    In my environment mirroring was disconnected and principal server status is showing as Principal,disconnected.

    When i checked secondary server was down and unable to connect to that server.

    I just want to know when it was disconnected how can we know that using any DMV"S or any other process to know it.

  • Take a look at sys.database_mirroring specifically the mirroring state column

  • Already i checked the status is disconnected. I just want know when it was disconnected

  • There should be an entry in the SQL log when it disconnects

  • There is no information in logs

  • Care to post your logs, obfuscated of course for any critical information, the status messages should get logged

    Also take a look at https://msdn.microsoft.com/en-us/library/ms365781.aspx for tips on monitoring mirroring.

  • There is a mirroring monitor in SQL

    On the principal database Right Click Tasks -> Database Mirroring Monitor

    Select the history button on RHS

    change the Filter List by

    Thats all Folks

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