Apple Xsan 1.1 - Manual (Page 9)

Chapter 1 General Information About Upgrading 9
Promoting a Client to Standby Controller
You can temporarily change the role of a client computer so that it functions as a
standby controller during the upgrade process. This will allow uninterrupted access to
your SAN volumes during the upgrade.
To promote a client to controller:
1 In Xsan Admin, select the SAN in the SAN Components list and click Setup.
2 Select the client in the computer list and click Edit.
3 Choose Controller from the Role pop-up menu.
4 Choose a failover priority of High.
5 Click OK.
Where to Get the Updates
There are several ways you can access the software updates mentioned in this guide.
Xsan 1.1 Update
If you have an Xsan 1.1 installation disc, insert it in the computer and double-click
Install Xsan.mpkg.
If you don’t have the disc but the computer is connected to the Internet, you can open
the Software Update pane of System Preferences, click Check Now, select the Xsan
Update version 1.1 update, and click Install.
If the controller is on a private network, you can use a computer that is connected to
the Internet to download the update from www.apple.com/support/downloads,
transfer the installer to the controller computer, and run it.
Mac OS X v10.3.9 Update
If the computer is connected to the Internet, you can open the Software Update pane
of System Preferences, click Check Now, select the Mac OS X Update Combined version
10.3.9 update, and click Install.
If the controller is on a private network, you can use a computer that is connected to
the Internet to download the update from www.apple.com/support/downloads,
transfer the installer to the controller computer, and run it.