Re: Renaming cluster

2011-05-10 Thread Shaun Newman
Hi, Here is the actual error I get when I remove all LocationInfo files: ERROR 18:05:04,918 Fatal exception during initialization org.apache.cassandra.config.ConfigurationException: Found system table files, but they couldn't be loaded. Did you change the partitioner? at

Re: Renaming cluster

2011-05-10 Thread aaron morton
I was looking in the wrong place, the code expects the data directory for the system keyspace to be empty if it could not read from the LocationInfo CF. Created a patch here https://issues.apache.org/jira/browse/CASSANDRA-2632 to see if it can be changed. In the mean time try removing all

Renaming cluster

2011-05-09 Thread Shaun Newman
Hi, I am trying to rename my cluster which has several keyspaces running on cassandra 0.7.5. When I try to remove the system files as suggested by http://wiki.apache.org/cassandra/FAQ#clustername_mismatch , I get Could not read system table. Did you change partitioners? error. If I remove all

Re: Renaming cluster

2011-05-09 Thread aaron morton
Can you provide the full error stack, it will show where it failed when starting up. AFAIK this i the correct process. I just did a quick test on a singe 0.7 node and it could start up after removing the locations SSTables. If you go ahead with removing all the system sstables you can