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From Edward Sargisson <edward.sargis...@globalrelay.net>
Subject Re: Schema Disagreement after migration from 1.0.6 to 1.1.4
Date Wed, 05 Sep 2012 21:39:43 GMT
I would try nodetool resetlocalschema.


On 12-09-05 07:08 AM, Martin Koch wrote:
> Hi list
>
> We have a 5-node Cassandra cluster with a single 1.0.9 installation 
> and four 1.0.6 installations.
>
> We have tried installing 1.1.4 on one of the 1.0.6 nodes (following 
> the instructions on http://www.datastax.com/docs/1.1/install/upgrading).
>
> After bringing up 1.1.4 there are no errors in the log, but the 
> cluster now suffers from schema disagreement
>
> [default@unknown] describe cluster;
> Cluster Information:
>    Snitch: org.apache.cassandra.locator.SimpleSnitch
>    Partitioner: org.apache.cassandra.dht.RandomPartitioner
>    Schema versions:
> 59adb24e-f3cd-3e02-97f0-5b395827453f: [10.10.29.67] <-The new 1.1.4 node
>
> 943fc0a0-f678-11e1-0000-339cf8a6c1bf: [10.10.87.228, 10.10.153.45, 
> 10.10.145.90, 10.38.127.80] <- nodes in the old cluster
>
> The recipe for recovering from schema disagreement 
> (http://wiki.apache.org/cassandra/FAQ#schema_disagreement) doesn't 
> cover the new directory layout. The system/Schema directory is empty 
> save for a snapshots subdirectory. system/schema_columnfamilies and 
> system/schema_keyspaces contain some files. As described in datastax's 
> description, we tried running nodetool upgradesstables. When this had 
> done, describe schema in the cli showed a schema definition which 
> seemed correct, but was indeed different from the schema on the other 
> nodes in the cluster.
>
> Any clues on how we should proceed?
>
> Thanks,
> /Martin Koch

-- 

Edward Sargisson

senior java developer
Global Relay

edward.sargisson@globalrelay.net <mailto:edward.sargisson@globalrelay.net>


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