Defining ACEs

To define access control expressions using the Access Control Expression builder in the MapR Control System:

  1. Choose All or Any (from the drop-down menu) of the settings to match for access.
    Here:
    All AND (&) operation Indicates that all of the conditions must be met for public or user, group, and/or role to access the volume.
    Any OR (|) operation Indicates that any one of the conditions must be met for public or user, group, and/or role to access the volume.
  2. Click:
    Option Description
    + To add an expression.
    () To add a subexpression.
    x To remove an expression or subexpression.
  3. Select Public or User, Group, or Role from the drop-down menu and:
    1. Choose Is to grant or Is not to block access to the user, group, or role.
    2. Enter name of the user, group, or role.
  4. Click Save Changes to create an Access Control Expression.