Error looks something like
Error response from daemon: driver "overlay" failed to remove root filesystem for 805c245dad451542b44bb1b58c60887fa98a64a61f2f0b8de32fa5b13ccc8ce4: remove /var/lib/docker/overlay/8f666b802f418f4a3dc4a6cafbefa79afc81491a5cb23da8084dd14e33afbea0/merged: device or resource busy
It usually appears when stopping and starting a container. It results in Docker container not being able to start or starts in a weird dead/removed state. Issue is presumably fixed in Centos 7.4 as per this github issue, but a workaround exists:
1. Grep by part of ID:
|
1 |
grep docker /proc/*/mountinfo | grep 8f66 |
it shows which process is holding up the mount in busy state
/proc/31415/mountinfo:…
2. Kill the process
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1 |
sudo kill 31415 |
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