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Monitoring Database Mirroring

Couple of days back I was working for a client on creating a database mirroring monitor report to show how log has been sent to DR in last couple of hour. How much log is left to be sent based on the send rate and long will it.

Stored Procedure sp_dbmmonitorresults in msdb database gives all this detail for Principal database

sp_dbmmonitorresults database_name , rows_to_return , update_status

 

Exec msdb..sp_dbmmonitorresults ‘SGPData’,1,0

 

database_name :  Database Name

rows_to_return
Specifies the quantity of rows returned:
0 = Last row
1 = Rows last two hours
2 = Rows last four hours
3 = Rows last eight hours
4 = Rows last day
5 = Rows last two days
6 = Last 100 rows
7 = Last 500 rows
8 = Last 1,000 rows
9 = Last 1,000,000 rows

 

update_status

Specifies that before returning results the procedure:

0 = Does not update the status for the database. The results are computed using just the last two rows, the age of which depends on when the status table was refreshed.

1 = Updates the status for the database by calling sp_dbmmonitorupdate before computing the results. However, if the status table has been updated within the previous 15 seconds, or the user is not a member of the sysadmin fixed server role, sp_dbmmonitorresults runs without updating the status.

 

 

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Categories: Database Mirroring
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