SAN Boot Implementation and Best Practices Guide ... - IBM Redbooks

Draft Document for Review June 27, 2012 9:05 am SG247958-DS5000-CL.fm
Note: The rest of the installation procedure for the Windows OS is same as the stand
alone installation and the screens for the rest of the installation are not shown here.
Updating driver and installing Multipath
In this section we discuss the correct way to install the multipathing driver, as well as updating
the HBA driver.
1. Open the Device Manager in Windows from the Start Menu � Control Panel �
System. You will see a window similar to Figure 2-84. Notice that you must see an IBM
1818 FAStT Multi-Path Disk Device, which is your boot LUN in this case. You will see two
of them, and this is due to the fact that one of them is seen from controller A and the other
is from controller B. In our case, since the LUN was assigned to controller A, this one is
the only one that is read/write. The other one is read only. When we install the multipath
driver it will mask the two paths into one.
The Storage controllers section lists the Fibre Channel, and other controllers. If the
driver is not installed correctly, you see an attention mark on the icon.
Figure 2-84 Device Manager with no Multi Pathing
2. To install the multipathing driver, you will need to install IBM System Storage DS Storage
Manager 10 on the host system. Refer to 2.3.1, “Installation of the Storage Manager” on
page 26 on how to install Storage Manager for the complete installation procedure. Here
we will only list the screens that are appropriate for the multipathing installation. During the
Storage Manager installation, you will notice that a button called Host as shown in
Figure 2-85 on page 78. This button is only be displayed if an HBA is detected on the
Chapter 2. SAN Boot implementation with IBM System Storage DS5000 77