In the OpenShift documentation for configuring storage using ODF, the documentation link provided for ODF documentation is of older version (4.12).
Check the table mentioned on the following link.
[1] https://docs.openshift.com/container-platform/4.15/post_installation_configuration/storage-configuration.html#post-install-deploy-OCSFor 4.15 ODF latest documentation is yet to be released.
However, Other version such as 4.14, 4.13 documentation is available which is also not updated correctly in RHOCP documentation.
[4.14]
https://docs.openshift.com/container-platform/4.14/post_installation_configuration/storage-configuration.html#post-install-deploy-OCS
[4.13]
https://docs.openshift.com/container-platform/4.14/post_installation_configuration/storage-configuration.html#post-install-deploy-OCS

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