[jira] [Assigned] (KUDU-1966) Data directories can be removed erroneously

["Adar Dembo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-1966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adar Dembo reassigned KUDU-1966:
--------------------------------

    Assignee: Dan Burkert  (was: Adar Dembo)

Dan is working on this.

> Data directories can be removed erroneously
> -------------------------------------------
>
>                 Key: KUDU-1966
>                 URL: https://issues.apache.org/jira/browse/KUDU-1966
>             Project: Kudu
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 1.4.0
>            Reporter: Adar Dembo
>            Assignee: Dan Burkert
>
> Kudu data directories can be removed in between starts of a server, which will lead to tablet bootstrap failures. There exists logic to protect against this (see [PathInstanceMetadataFile::CheckIntegrity()|https://github.com/apache/kudu/blob/master/src/kudu/fs/block_manager_util.h#L78]), but it was missing a key check to ensure that no directory had been removed from the set.
> To be clear, we do want to support removing data directories, but in a more structured and protected manner. For the time being, we should close this loophole.



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