Qian Zhang commented on MESOS-8279:

For the second case mentioned in my previous comment, I have created a separate 
ticket (https://issues.apache.org/jira/browse/MESOS-8565) to track it.

> Persistent volumes are not visible in Mesos UI using default executor on 
> Linux.
> -------------------------------------------------------------------------------
>                 Key: MESOS-8279
>                 URL: https://issues.apache.org/jira/browse/MESOS-8279
>             Project: Mesos
>          Issue Type: Bug
>    Affects Versions: 1.2.2, 1.3.1, 1.4.1
>            Reporter: Jie Yu
>            Assignee: Qian Zhang
>            Priority: Major
>             Fix For: 1.5.0, 1.6.0
> The reason is because on Linux, if multiple containers in a default executor 
> want to share a persistent volume, it'll use SANDBOX_PATH volume source with 
> type PARENT. This will be translated into a bind mount in the nested 
> container's mount namespace, thus not visible in the host mount namespace. 
> Mesos UI operates in the host mount namespace.
> One potential solution for that is to create a symlink (instead of just a 
> mkdir) in the sandbox. The symlink will be shadowed by the bind mount in the 
> nested container, but in the host mount namespace, it'll points to the 
> corresponding persistent volume.

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