[jira] [Created] (MESOS-9544) SLRP does not clean up destroyed persistent volumes.

["Chun-Hung Hsiao (JIRA)" <ji...@apache.org>]

Chun-Hung Hsiao created MESOS-9544:
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             Summary: SLRP does not clean up destroyed persistent volumes.
                 Key: MESOS-9544
                 URL: https://issues.apache.org/jira/browse/MESOS-9544
             Project: Mesos
          Issue Type: Bug
          Components: storage
    Affects Versions: 1.7.1, 1.7.0, 1.6.1, 1.6.0, 1.5.2, 1.5.1, 1.5.0
            Reporter: Chun-Hung Hsiao
            Assignee: Chun-Hung Hsiao


When a persistent volume created on a {{ROOT}} disk is destroyed, the agent will clean up its data: https://github.com/apache/mesos/blob/f44535bca811720fc272c9abad2bc78652d61fe3/src/slave/slave.cpp#L4397
However, this is not the case for PVs on SLRP disks. The agent relies on the SLRP to do the cleanup:
https://github.com/apache/mesos/blob/f44535bca811720fc272c9abad2bc78652d61fe3/src/slave/slave.cpp#L4472
But SLRP simply updates its metadata and do nothing:
https://github.com/apache/mesos/blob/f44535bca811720fc272c9abad2bc78652d61fe3/src/resource_provider/storage/provider.cpp#L2805

This would lead to data leakage if the framework does not call `CREATE_DISK` but just unreserve it.



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