Description of problem: Following documentation describes how to restore self-hosted engine environment: https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.1/html/self-hosted_engine_guide/sect-restoring_she_bkup#Creating_a_New_Self-Hosted_Engine_Environment_to_be_Used_as_the_Restored_Environment but there is nothing about how to restore the storage. Following Step 4 (Configuring Storage) and using storage originally used for self-hosted engine the restore procedure fails with "The selected device already contains a storage domain." In case of iSCSI storage it's necessary to create new LUN or to clean up the old one with dd. There should be some note about this or even better the restore process should offer automatic clean up of the old storage.
Thanks for raising this bug, Filip. The engineering team is currently working on the entire backup and restore flow to determine the best practice approach in bug 1420604. We will proceed with all updates based on that outcome of that work. I will add this bug as a dependency there, and close this one as a duplicate. *** This bug has been marked as a duplicate of bug 1420604 ***