Chapter 2. Enabling file system access for containers on Red Hat Enterprise Linux based nodes

Procedure

1. Log in to the Red Hat Enterprise Linux based node and open a terminal.

2. For each node in your cluster:

   1. Verify that the node has access to the rhel-7-server-extras-rpms repository.

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      # subscription-manager repos --list-enabled | grep rhel-7-server

      If you do not see both rhel-7-server-rpms and rhel-7-server-extras-rpms in the output, or if there is no output, run the following commands to enable each repository:

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      # subscription-manager repos --enable=rhel-7-server-rpms

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      # subscription-manager repos --enable=rhel-7-server-extras-rpms

   2. Install the required packages.

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      # yum install -y policycoreutils container-selinux

   3. Persistently enable container use of the Ceph file system in SELinux.

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      # setsebool -P container_use_cephfs on