User Guide

16
Backup
History Database
394
Siemens User Guide Version 2.1 A6V10415471_en_a_21
Building Technologies 2015-07-15
16.2.6 Troubleshooting
The following error messages from the history database may occur and are
displayed in Desigo CC:
 History Database is not operating.
 You have sufficient rights to start the System Management Console.
1. Exit the Desigo CC program.
2. Start System Management Console .
3. Click Stop .
 The database stops.
4. Check whether the corresponding History Database is linked to the project.
5. Click Start .
 The database starts.
6. Restart the Desigo CC program.
7. Check the program to ensure proper operation.
NOTE:
Contact your database administrator or local partner support if problems continue
to occur with the history database.
16.2.7 Values and Data Capacity Settings
The following tables provide general guidelines for the various data volumes that
are possible in a History Database while operating prior to executing an emergency
delete. An average value of 0.4 KB per data entry is assumed to calculate the
database storage used. The effective number of saved data entries may be higher
than indicated in the tables.
The applied settings depend strongly on the maximum entries per day, data group,
legal regulations, and SQL Server used (maximum of 10 GB for SQL Server
Express or 250 GB for SQL Server).
NOTE:
SQL Server Express is not suitable if you anticipate a large amount of data as
well as using
Minimal retention span .