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As this scc is based on scc privileged, when it is used by a serviceaccount, it runs as root but since readOnlyRootFilesystem: true, it prevents access to files/folders owned by user root. readOnlyRootFilesystem: true in this scc has caused problems during the upgrades on openshift, because, the version job pod created by CVO, sometimes uses this scc and is unable to remove folders/files owned by user root. List of related issues:- https://access.redhat.com/solutions/5911951 https://access.redhat.com/solutions/6985485 https://issues.redhat.com/browse/OTA-680 openshift/cluster-version-operator#824
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As this scc is based on scc privileged, when it is used by a serviceaccount, it runs as root but since readOnlyRootFilesystem: true, it prevents access to files/folders owned by user root.
readOnlyRootFilesystem: true in this scc has caused problems during the upgrades on openshift, because, the version job pod created by CVO, sometimes uses this scc and is unable to remove folders/files owned by user root.
List of related issues:-
https://access.redhat.com/solutions/5911951
https://access.redhat.com/solutions/6985485
https://issues.redhat.com/browse/OTA-680
openshift/cluster-version-operator#824
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