These steps are shown in Figure 5-19. Figure 5-19 Restoring a cluster snapshot 5.6 SMUI access control 5.6.1 User management Adding a user By using the SMUI, you can create and manage users, and you can use permissions to allow  and deny user access to tasks by using roles.  To create a user in SMUI, you must use a user ID that is already at the operating system level. To create a user, complete the following steps: PowerHA SystemMirror offers RBAC to provide users with fine-grained and secure access to  the SMUI. 1. Go to the  Action  menu and click  User Management . 2. Click  Add User . 3. Enter the user login ID on the SMUI server and click  Continue . 4. Enter the user information and click  Continue . 5. Assign permissions and click  Continue . 6. Assign  Zones  and click  Submit . 160  IBM PowerHA SystemMirror V7.2.3 for IBM AIX and V7.2.2 for Linux