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https://issues.apache.org/jira/browse/ACCUMULO-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13852323#comment-13852323
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Christopher Tubbs commented on ACCUMULO-1771:
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For scenario 4, tablet servers can write out the instanceId and data version
when they first use the empty volume. So, the two valid states are: empty
volume and volume with consistent instanceId and data version from ZooKeeper.
(ACCUMULO-2061 may also help with the semantics, to avoid this scenario, by
making it a little more obvious that a specific volume is being reused, if one
were to check.)
> Instance id and version info only stored on one hdfs instance
> -------------------------------------------------------------
>
> Key: ACCUMULO-1771
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1771
> Project: Accumulo
> Issue Type: Sub-task
> Components: master, tserver
> Reporter: Keith Turner
> Priority: Critical
> Fix For: 1.6.0
>
>
> When instance.volumes contains multiple uris only the first one is
> initialized with the data version and instance id. If the user changes the
> order of the uris in the config, it seems like Accumulo will stop working
> correctly.
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