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docs/doc/source/storage/kubernetes/default-behavior-of-the-rbd-provisioner.rst
Keane Lim ceea9dda0d Storage Guide update 
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Change-Id: I104d678ce3ea52bddcbc141f8aad49ea1e1971db
Signed-off-by: Keane Lim <keane.lim@windriver.com>
2021-02-09 12:50:24 -05:00

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Default Behavior of the RBD Provisioner

The default Ceph Cluster configuration set up during installation contains a single storage tier, storage, containing all the .

The default rbd-provisioner service runs within the kube-system namespace and has a single storage class, 'general', which is configured to:

  • use the default 'storage' ceph storage tier
  • use a kube-rbd ceph pool, and
  • only support PVC requests from the following namespaces: kube-system, default and kube-public.

The full details of the rbd-provisioner configuration can be viewed with the following commands:

~(keystone_admin)$ system helm-override-list platform-integ-apps

This command provides the chart names and the overrides namespaces.

~(keystone_admin)$ system helm-override-show platform-integ-apps rbd-provisioner kube-system

See Create Persistent Volume Claims <storage-configuration-create-persistent-volume-claims> and Mount Persistent Volumes in Containers <storage-configuration-mount-persistent-volumes-in-containers> for details on how to create and mount a PVC from this storage class.