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From Arya Goudarzi <>
Subject Incompatible Gossip 1.1.6 to 1.2.1 Upgrade?
Date Sat, 23 Feb 2013 08:26:03 GMT
Hi C* users,

I just upgrade a 12 node test cluster from 1.1.6 to 1.2.1. What I noticed
from nodetool ring was that the new upgraded nodes only saw each other as
Normal and the rest of the cluster which was on 1.1.6 as Down. Vise versa
was true for the nodes running 1.1.6. They saw each other as Normal but the
1.2.1 nodes as down. I don't see a note in upgrade docs that this would be
an issue. Has anyone else observed this problem?

In the debug logs I could see messages saying attempting to connect to node
IP and then saying it is down.


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