User Manual

Chapter 8 Use Apple Qmaster to set up a distributed processing system 231
Turn cluster controller services on or o
You can easily turn a specic computer’s cluster controller services on or o.
Turn on cluster controller services
1 In Compressor, choose Apple Qmaster > Share This Computer.
2 Select the “Share this computer checkbox and do one of the following:
To create an “instant” cluster with unmanaged services: Select “as QuickCluster with services.”
To build a cluster in Apple Qadministrator: Select as Services and cluster controller.”
For more information, see Create and modify a cluster on page 258 and Enable managed and
unmanaged services on page 228.
3 In the Services area, select Rendering or Compressor, or both.
4 Click OK.
The cluster is enabled, making this computer a cluster controller.
Turn o cluster controller services
1 In Compressor, choose Apple Qmaster > Share This Computer.
2 Deselect the “Share this computer” checkbox and click OK.
Important: If youre making changes to existing settings and this computer is already providing
processing services, clicking OK immediately resets this computers services. If this computer is
also the cluster controller, any current jobs are terminated.
Note: You can instead turn o the controller and just make the node a service node. To do this,
select as Services only in the “Share this computer section.
Set a service password for including a computer in a cluster
If you want to control who is able to include a specic service node or cluster controller in a
cluster, you can create a password called a service password for the computer.
If you set up a QuickCluster: Other users will be required to enter this password before
submitting requests to this computer.
If you set up a cluster to use with Apple Qadministrator: An administrator will be required to
enter this password before adding this computer to a cluster.
If you congure the computer as both a cluster controller and a service node: One password is
used for both users and administrators.
Note: A service password can be stored in a users keychain.
Set or change a service password
1 On the computer designated as the service node or cluster controller, open Compressor and
choose Apple Qmaster > Share This Computer.
2 Do one of the following:
To require a password: Select Require password.
To change an existing password: Click Change Password.