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https://issues.apache.org/jira/browse/CASSANDRA-16879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17404621#comment-17404621
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Josh McKenzie commented on CASSANDRA-16879:
-------------------------------------------

A few failures I'm confident are unrelated to the ticket.
 * JDK11: testUnloggedPartitionsPerBatch which passes locally. Think this was a 
circle config + env issue w/timeout.
 * replaceAliveHost which is failing in generaly atm
 * JDK8: incompletePropose which OOM'ed - see this on a couple other branches 
and unrelated to this ticket. Passing fine locally and on JDK11.

||Item|Link|
|JDK8 
tests|[Link|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/59/workflows/ff19f043-dc27-4d83-baf4-0510614a9c0c]|
|JDK11 
tests|[Link|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/59/workflows/6580b51c-8254-478b-a1f0-7cd6b6392c31]|
|Branch|[Link|https://github.com/apache/cassandra/compare/cassandra-4.0...josh-mckenzie:CASSANDRA-16879?expand=1]|

> Verify correct ownership of attached locations on disk at C* startup
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-16879
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16879
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Local/Startup and Shutdown
>            Reporter: Josh McKenzie
>            Assignee: Josh McKenzie
>            Priority: Normal
>
> There's two primary things related to startup and disk ownership we should 
> mitigate.
> First, an instance can come up with an incorrectly mounted volume attached as 
> its configured data directory. This causes the wrong system tables to be 
> read. If the instance which was previously using the volume is also down, its 
> token could be taken over by the instance coming up.
> Secondly, in a JBOD setup, the non-system keyspaces may reside on a separate 
> volume to the system tables. In this scenario, we need to ensure that all 
> directories belong to the same instance, and that as the instance starts up 
> it can access all the directories it expects to be able to. (including data, 
> commit log, hints and saved cache dirs)
>  



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