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From Arend-Jan Wijtzes <ajwyt...@wise-guys.nl>
Subject lost keyspace
Date Wed, 08 Aug 2012 13:03:52 GMT
Hi,

Today we rebooted a node in our cluster for maintenance and after that
one of the keyspaces went missing. This is what we did leading up to
this:

nodetool drain -h localhost
reboot

restart cassandra
There was an error during startup:
ERROR [MutationStage:109] 2012-08-08 14:05:56,443 RowMutationVerbHandler.java (line 61) Error
in row mutation org.apache.cassandra.db.UnknownColumnFamilyException: Couldn't find cfId=1014

(then we found keyspace twitter is missing)

The sstables are still there so I tried to re-create the keyspace:
cassandra-cli -h localhost
[default@unknown] create keyspace twitter with placement_strategy = 'org.apache.cassandra.locator.SimpleStrategy'
and strategy_options = {replication_factor:3} ; 
b890b65a-40a6-3fc5-838d-34d58368cb64
Waiting for schema agreement...
... schemas agree across the cluster
NotFoundException()

default@unknown] use twitter;
Keyspace 'twitter' not found.

So we can't create the keyspace. The cassandra version is 1.1.0.
What is the proper way to deal with this?

Thanks for your help.

Arend-Jan
-- 
Arend-Jan Wijtzes -- Wiseguys -- www.wise-guys.nl

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