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https://issues.apache.org/jira/browse/CASSANDRA-3243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13112852#comment-13112852
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Jason Harvey commented on CASSANDRA-3243:
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bq. Can you explain what you mean by "dead gossip list" and how this prevents
truncate?
The decommissioned node is showing up in the 'UNREACHABLE' list when calling
'describe cluster'. When I attempt to run truncate, the command returns that
truncate cannot occur due to a node being down.
bq. After CASSANDRA-2496, we store dead gossip states for 3 days, so that any
other nodes that were down at the time of removal can know later not to
repopulate the ring with the removed node, but this isn't persisted anywhere,
so since you did a full ring restart, the only candidate left is the persisted
endpoints, though all nodes should have removed it from there after the
decommission/removetoken.
Is there a way I can get a list of endpoints to see how this node showed back
up?
Also, any thoughts on why this node only re-appeared on a single node?
Thanks!
Jason
> Node which was decommissioned and shut-down reappears on a single node
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-3243
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3243
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.8.5
> Reporter: Jason Harvey
> Assignee: Brandon Williams
> Priority: Minor
>
> I decommissioned a node several days ago. It was no longer in the ring list
> on any node in the ring. However, it was in the dead gossip list.
> In an attempt to clean it out of the dead gossip list so I could truncate, I
> shut down the entire ring and bought it back up. Once the ring came back up,
> one node showed the decommissioned node as still in the ring in a state of
> 'Down'. No other node in the ring shows this info.
> I successfully ran removetoken on the node to get that phantom node out.
> However, it is back in the dead gossip list, preventing me from truncating.
> Where might the info on this decommissioned node be being stored? Is HH
> possibly trying to deliver to the removed node, thus putting it back in the
> ring on one node?
> I find it extremely curious that none of the other nodes in the ring showed
> the phantom node. Shouldn't gossip have propagated the node everywhere, even
> if it was down?
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