Vasilis created CASSANDRA-10872:
-----------------------------------

             Summary: Debian Package does not prompt the user to review the 
config files; it just replaces them causing trouble (since the daemon starts by 
default)
                 Key: CASSANDRA-10872
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10872
             Project: Cassandra
          Issue Type: Bug
          Components: Packaging
         Environment: Ubuntu 12.04, Cassandra 2.0.16 -> 2.0.17
            Reporter: Vasilis
            Priority: Critical


We run Cassandra 2.0.16 on Ubuntu 12.04 and were trying to upgrade to 2.0.17 
due to CASSANDRA-9662. The problem is that during the upgrade the we were not 
prompted how to handle cassandra-env.sh and cassandra-rackdc.properties. 

The output from the upgrade:

Setting up cassandra (2.0.17) ...
Installing new version of config file /etc/cassandra/cassandra-env.sh ...
Installing new version of config file 
/etc/cassandra/cassandra-rackdc.properties ...

This meant that the nodes started automatically after the install with the 
wrong DC name. 

I don't think that these config files should have been replaced without the 
admin being asked; this doesn't appear to comply with standard Debian packages.

Secondly if CASSANDRA-2356 was implemented the problem would not be as severe; 
i.e. it would be possible to workaround this issue. Whereas currently, there is 
no way to prevent the node when upgraded from starting in the wrong DC.



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