Gary Ogden created CASSANDRA-8917:
-------------------------------------

             Summary: Upgrading from 2.0.9 to 2.1.3 with 3 nodes, CL = quorum 
causes exceptions
                 Key: CASSANDRA-8917
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8917
             Project: Cassandra
          Issue Type: Bug
         Environment: C* 2.0.9, Centos 6.5, Java 1.7.0_72, spring data 
cassandra 1.1.1, cassandra java driver 2.0.9
            Reporter: Gary Ogden


We have java apps running on glassfish that read/write to our 3 node cluster 
running on 2.0.9. 
we have the CL set to quorum for all reads and writes.

When we started to upgrade the first node and did the sstable upgrade on that 
node, we started getting this error on reads and writes:
com.datastax.driver.core.exceptions.UnavailableException: Not enough replica 
available for query at consistency QUORUM (2 required but only 1 alive)

How is that possible when we have 3 nodes total, and there was 2 that were up 
and it's saying we can't get the required CL?






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