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From Alberto Velandia <b...@yogadigital.net>
Subject Newbie Question about restarting Cassandra
Date Wed, 06 Oct 2010 16:54:03 GMT
Hi I've stopped cassandra hitting Ctrl + Z and tried to restart it and got this message:

 INFO 11:46:16,039 JNA not found. Native methods will be disabled.
 INFO 11:46:16,159 DiskAccessMode 'auto' determined to be mmap, indexAccessMode is mmap
ERROR 11:46:16,449 Fatal exception during initialization
java.io.IOException: Failed to delete /var/lib/cassandra/data/system/LocationInfo-9-Data.db
        at org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:47)
        at org.apache.cassandra.io.SSTable.deleteIfCompacted(SSTable.java:108)
        at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:172)
        at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:248)
        at org.apache.cassandra.db.Table.<init>(Table.java:338)
        at org.apache.cassandra.db.Table.open(Table.java:199)
        at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:124)
        at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:97)
        at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:214)


1. How I'm I supposed to stop Cassandra?
2. Is there a way for me to restart Cassandra without losing the data I've stored?

Thanks
> Alberto Velandia
> Director de proyectos
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