Will Johnson created ZOOKEEPER-1502:
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Summary: Prevent multiple zookeeper servers from using the same
data directory
Key: ZOOKEEPER-1502
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1502
Project: ZooKeeper
Issue Type: Improvement
Components: server
Affects Versions: 3.4.3
Reporter: Will Johnson
We recently ran into an issue where two zookeepers servers which were a part of
two separate quorums were configured to use the same data directory.
Interestingly, the zookeeper servers did not seem to complain and both seemed
to work fine until one of them was restarted. Once that happened all sort of
chaos ensued. I understand that this is a misconfiguration should zookeeper
complain about this or do users need to protect themselves in some external
fashion? Is a simple file lock enough or are there other things I should take
into consideration if it’s up to me to handle?
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