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https://issues.apache.org/jira/browse/MESOS-4969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15200063#comment-15200063
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haosdent commented on MESOS-4969:
---------------------------------
Another way to avoid parse {{/proc/modules}} result is check whether
{{/sys/module/overlay}} exists or not.
> improve overlayfs detection
> ---------------------------
>
> Key: MESOS-4969
> URL: https://issues.apache.org/jira/browse/MESOS-4969
> Project: Mesos
> Issue Type: Bug
> Components: isolation, volumes
> Reporter: James Peach
> Priority: Minor
>
> On my Fedora 23, overlayfs is a module that is not loaded by default
> (attempting to mount an overlayfs automatically triggers the module loading).
> However {{mesos-slave}} won't start until I manually load the module since it
> is not listed in {{/proc/filesystems}} until is it loaded.
> It would be nice if there was a more reliable way to determine overlayfs
> support.
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