[jira] [Created] (MESOS-4521) We need to ensure two Disk resources do not have the same root path in DiskInfo::Source::Mount during agent initialization.

[Jie Yu (JIRA)]

Jie Yu created MESOS-4521:
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             Summary: We need to ensure two Disk resources do not have the same 
root path in DiskInfo::Source::Mount during agent initialization.
                 Key: MESOS-4521
                 URL: https://issues.apache.org/jira/browse/MESOS-4521
             Project: Mesos
          Issue Type: Bug
            Reporter: Jie Yu


See summary. MOUNT type disk is supposed to be exclusive. So having two MOUNT 
type disk with the same root does not make sense.

Another interesting case is that the root of one MOUNT disk is contained in the 
 root of another MOUNT disk. Technically, we should check that as well and 
disallow it because the user might be able to write to a disk that he/she is 
not supposed to write.



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