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uninstalling.md

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Uninstalling cvmfs-csi driver

The nodeplugin Pods store various resources on the node hosts they are running on:

  • autofs mount and the respective inner CVMFS mounts,
  • CVMFS client cache.

By default, the nodeplugin Pod leaves autofs and its respective inner mounts on the node in /var/cvmfs. They may need to be unmounted recursively. To do that, you can set AUTOFS_TRY_CLEAN_AT_EXIT environment variable to true in nodeplugin's DaemonSet and restart the Pods. On the next exit, they will be unmounted.

```
kubectl set env daemonset -l app=cvmfs-csi,component=nodeplugin AUTOFS_TRY_CLEAN_AT_EXIT=true
# Restarting nodeplugin Pods needs attention, as this may break existing mounts.
# They will be restored once the Pods come back up.
kubectl delete pods -l app=cvmfs-csi,component=nodeplugin
```

The CVMFS client cache is stored by default in /var/lib/cvmfs.csi.cern.ch/cache. This directory is not deleted automatically, and manual intervention is currently needed.