Description of problem:Chapter 12 at https://access.redhat.com/beta/documentation/en/red-hat-ceph-storage-123-installation-guide-for-rhel-x86-64/chapter-12-add-osds format given - ceph-deploy osd prepare <ceph-node>:<data-drive> <journal-partition> [<ceph-node>:<data-drive> <journal-partition>] Correct format - ceph-deploy osd prepare <ceph-node>:<data-drive>[:<journal-partition>] [<ceph-node>:<data-drive>[:<journal-partition>] ] All examples should be corrected as well.
Fixed on master branch. Investigating other distros.
Fixed in repos: https://gitlab.cee.redhat.com/ngoswami/red-hat-ceph-storage-installation-guide-centos https://gitlab.cee.redhat.com/ngoswami/red-hat-ceph-storage-installation-guide-ubuntu https://gitlab.cee.redhat.com/jowilkin/red-hat-ceph-storage-installation-guide-rhel
Marking it as verified.