Problems enabling rhel-7-server-rhceph-1.2-osd-rpms repository in Red Hat OpenStack Platform

Issue

• Why am I not able to enable rhel-7-server-rhceph-1.2-osd-rpms repo?
• Why am I not able to enable rhel-7-server-rhceph-1.3-osd-rpms repo?
• I'm trying to install ceph on RHEL7.1, When I tried to enable required repos, I'm getting the following error for osd-rpms.

  Error: rhel-7-server-rhceph-1.2-osd-rpms is not a valid repository ID. Use --list option to see valid repositories.

# subscription-manager repos --enable=rhel-7-server-rpms --enable=rhel-7-server-rhceph-1.2-calamari-rpms --enable=rhel-7-server-rhceph-1.2-installer-rpms --enable=rhel-7-server-rhceph-1.2-mon-rpms --enable=rhel-7-server-rhceph-1.2-osd-rpms
Error: rhel-7-server-rhceph-1.2-osd-rpms is not a valid repository ID. Use --list option to see valid repositories.
Repository 'rhel-7-server-rpms' is enabled for this system.
Repository 'rhel-7-server-rhceph-1.2-mon-rpms' is enabled for this system.
Repository 'rhel-7-server-rhceph-1.2-calamari-rpms' is enabled for this system.
Repository 'rhel-7-server-rhceph-1.2-installer-rpms' is enabled for this system.

Here are the list enabled repos:
 subscription-manager repos --list | grep rhel-7-server-rhceph

Repo ID:   rhel-7-server-rhceph-1.2-calamari-source-rpms
Repo ID:   rhel-7-server-rhceph-1.2-mon-source-rpms
Repo ID:   rhel-7-server-rhceph-1.2-installer-source-rpms
Repo ID:   rhel-7-server-rhceph-1.2-calamari-debug-rpms
Repo ID:   rhel-7-server-rhceph-1.2-mon-debug-rpms
Repo ID:   rhel-7-server-rhceph-1.2-installer-rpms
Repo ID:   rhel-7-server-rhceph-1.2-calamari-rpms
Repo ID:   rhel-7-server-rhceph-1.2-installer-debug-rpms
Repo ID:   rhel-7-server-rhceph-1.2-mon-rpms