Step7:install xsan 2 on san computers, Step8:update san computers to xsan 2.1 – Apple Xsan 2 (Second Edition) User Manual

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Step 5:

Upgrade SAN computers to Mac OS X v10.5 Leopard

Xsan 2 runs only on computers with Mac OS X v10.5 Leopard. Before installing Xsan 2,
you need to upgrade all SAN computers to Mac OS X v10.5 or later.

To upgrade Mac OS X on your SAN computers:

Insert the Mac OS X v10.5 software installation disc in a SAN computer, and then
double-click the Install Mac OS X icon.

When you reach the Select Destination pane of the installer, click Options and select
Upgrade Mac OS X.

Important:

Be sure to select the upgrade installation, not the clean installation. If you

perform a clean installation of the operating system, the computer will lose its copy of
the Xsan configuration files for your existing SAN and its volumes.

Restart the computer when prompted by the installer.

Repeat steps 1 through 3 for each computer on your SAN.

Step 6:

Update SAN computers to Mac OS X 10.5.3 or later

It is highly recommended that you update all SAN computers to Mac OS X 10.5.3 or
later before you install Xsan 2.1.

To upgrade Mac OS X:

If the computer is connected to the Internet, you can open the Software Update pane
of System Preferences, click Check Now, and install the Mac OS X (or Mac OS X Server)
v10.5.3 (or later) update.

If the computer 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 SAN computer, and run it.

Step 7:

Install Xsan 2 on SAN computers

When your SAN computers are all running Mac OS X v10.5.3 or later, install Xsan 2.

To install Xsan 2:

Insert the Xsan 2 installation disc in each SAN computer and double-click Install Xsan.

Step 8:

Update SAN computers to Xsan 2.1

After installing Xsan 2 on Mac OS X v10.5.3, immediately update to Xsan 2.1.

To update to Xsan 2.1:

Use Software Update on each computer to install the Xsan 2.1 update.