Hi all, I'm going to adopt cacti. But I have a problems with a clean upgrade path to the new upstream version. Cacti use a mysql database to store the configuration values (including users/password, graphic options, layouts, ...). The new upstream version (0.8.x) use a completly new designed database structure then the old version, which is currently already packed for Debian. I have tried to write some postinst scripts to migrate the existing database into the new one, but I think now this is impossible, because maybe informations which are needed in the new version are missing in the old one. Some other packages like sysstat simply prints a message about a incompatible dataformat, and move or delete the old datafile. Is this an acceptable way for such a program also? And if so, should I do a database export first, before deleting and recreating the database with the new tables? Any hints are welcome :-) Thanks for your help Thorsten  Description: Frontend to rrdtool for monitoring systems and services Cacti is a complete frondend to rrdtool, it stores all of the necessary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven. Along with being able to maintain Graphs, Data Sources, and Round Robin Archives in a database, cacti handles the data gathering also. There is also SNMP support for those used to creating traffic graphs with MRTG.
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