Description of problem:
Yum groupremove for RH-Gluster-Core,RH-Gluster-Tools,RH-Gluster-Tools,RH-Gluster-Samba-Server,RH-Gluster-Samba-Server at CDN and RHN does not work. When i try running yum groupremove <name> i see that yum complains 'No environment named RH-Gluster-AD-Integration exist'

[root@dhcp37-110 ~]# yum groupremove RH-Gluster-Tools
Loaded plugins: langpacks, product-id, subscription-manager
No environment named RH-Gluster-Tools exists
Maybe run: yum groups mark remove (see man yum)
No packages to remove from groups
[root@dhcp37-110 ~]# yum groupremove RH-Gluster-Swift
Loaded plugins: langpacks, product-id, subscription-manager
No environment named RH-Gluster-Swift exists
Maybe run: yum groups mark remove (see man yum)
No packages to remove from groups
[root@dhcp37-110 ~]# yum remove RH-Gluster-Samba-Server
Loaded plugins: langpacks, product-id, subscription-manager
No Match for argument: RH-Gluster-Samba-Server
No Packages marked for removal
[root@dhcp37-110 ~]# yum groupremove RH-Gluster-AD-Integration
Loaded plugins: langpacks, product-id, subscription-manager
No environment named RH-Gluster-AD-Integration exists
Maybe run: yum groups mark remove (see man yum)
No packages to remove from groups


Version-Release number of selected component (if applicable):
Red Hat Gluster Storage Server 3.1

How reproducible:
Always

Steps to Reproduce:
1. Yum groupinstall all the above metioned groups
2. Now try to remove the groups.
3.

Actual results:
Yum complains saying No environment named <groupname>.

Expected results:
yum groupremove should run sucessfully

Additional info: