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https://issues.apache.org/jira/browse/MESOS-9196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16604832#comment-16604832
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Gilbert Song commented on MESOS-9196:
-
commit 2c29298f8cf4c96c68ed115acd5a8f335700d735
Author: Gilbert Song
Date: Sat Sep 1 00:13:43 2018 -0700
Added an unit test for rootfs cleanup EBUSY fix.
Review: https://reviews.apache.org/r/68599
> Removing rootfs mounts may fail with EBUSY.
> ---
>
> Key: MESOS-9196
> URL: https://issues.apache.org/jira/browse/MESOS-9196
> Project: Mesos
> Issue Type: Bug
> Components: containerization
>Reporter: Gilbert Song
>Assignee: Jie Yu
>Priority: Blocker
> Labels: containerizer
> Fix For: 1.5.2, 1.6.2, 1.7.0
>
>
> We observed in production environment that this
> {code}
> Failed to destroy the provisioned rootfs when destroying container: Collect
> failed: Failed to destroy overlay-mounted rootfs
> '/var/lib/mesos/slave/provisioner/containers/6332cf3d-9897-475b-88b3-40e983a2a531/containers/e8f36ad7-c9ae-40da-9d14-431e98174735/backends/overlay/rootfses/d601ef1b-11b9-445a-b607-7c6366cd21ec':
> Failed to unmount
> '/var/lib/mesos/slave/provisioner/containers/6332cf3d-9897-475b-88b3-40e983a2a531/containers/e8f36ad7-c9ae-40da-9d14-431e98174735/backends/overlay/rootfses/d601ef1b-11b9-445a-b607-7c6366cd21ec':
> Device or resource busy
> {code}
> Consider fixing the issue by using detach unmount when unmounting container
> rootfs. See MESOS-3349 for details.
> The root cause on why "Device or resource busy" is received when doing rootfs
> unmount is still unknown.
> _UPDATE_: The production environment has a cronjob that scan filesystems to
> build index (updatedb for mlocate). This can explain the EBUSY we receive
> when doing `unmount`.
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