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10.7. Virtual Disks and Permissions

10.7.1. Managing System Permissions for a Virtual Disk
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As the SuperUser, the system administrator manages all aspects of the Administration Portal. More specific administrative roles can be assigned to other users. These restricted administrator roles are useful for granting a user administrative privileges that limit them to a specific resource. For example, a DataCenterAdmin role has administrator privileges only for the assigned data center with the exception of the storage for that data center, and a ClusterAdmin has administrator privileges only for the assigned cluster.
Red Hat Enterprise Virtualization Manager provides two default virtual disk user roles, but no default virtual disk administrator roles. One of these user roles, the DiskCreator role, enables the administration of virtual disks from the User Portal. This role can be applied to specific virtual machines, to a data center, to a specific storage domain, or to the whole virtualized environment; this is useful to allow different users to manage different virtual resources.
The virtual disk creator role permits the following actions:
  • Create, edit, and remove virtual disks associated with a virtual machine or other resources.
  • Edit user permissions for virtual disks.

Note

You can only assign roles and permissions to existing users.

10.7.2. Virtual Disk User Roles Explained
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Virtual Disk User Permission Roles

The table below describes the user roles and privileges applicable to using and administrating virtual machine disks in the User Portal.

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Table 10.5. Red Hat Enterprise Virtualization System Administrator Roles
Role Privileges Notes
DiskOperator Virtual disk user. Can use, view and edit virtual disks. Inherits permissions to use the virtual machine to which the virtual disk is attached.
DiskCreator Can create, edit, manage and remove virtual machine disks within assigned clusters or data centers. This role is not applied to a specific virtual disk; apply this role to a user for the whole environment with the Configure window. Alternatively apply this role for specific data centers, clusters, or storage domains.

10.7.3. Assigning an Administrator or User Role to a Resource
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Assign administrator or user roles to resources to allow users to access or manage that resource.

Procedure 10.5. Assigning a Role to a Resource

  1. Use the resource tabs, tree mode, or the search function to find and select the resource in the results list.
  2. Click the Permissions tab in the details pane to list the assigned users, the user's role, and the inherited permissions for the selected resource.
  3. Click Add.
  4. Enter the name or user name of an existing user into the Search text box and click Go. Select a user from the resulting list of possible matches.
  5. Select a role from the Role to Assign: drop-down list.
  6. Click OK.
You have assigned a role to a user; the user now has the inherited permissions of that role enabled for that resource.

10.7.4. Removing an Administrator or User Role from a Resource
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Remove an administrator or user role from a resource; the user loses the inherited permissions associated with the role for that resource.

Procedure 10.6. Removing a Role from a Resource

  1. Use the resource tabs, tree mode, or the search function to find and select the resource in the results list.
  2. Click the Permissions tab in the details pane to list the assigned users, the user's role, and the inherited permissions for the selected resource.
  3. Select the user to remove from the resource.
  4. Click Remove. The Remove Permission window opens to confirm permissions removal.
  5. Click OK.
You have removed the user's role, and the associated permissions, from the resource.
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