Booting Windows from an iSCSI Target or PXE

Configuring the WDS, DHCP and iSCSI Servers

Configuring the WDS Server

To configure the WDS server:

Install the WDS server.
Extract the Mellanox drivers to a local directory using the '-a' parameter.
For boot over Ethernet, when using adapter cards with older firmware version than 2.30.8000, you need to extract the PXE package, otherwise use Mellanox WinOF VPI package.
Example:
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```
            
            Mellanox.msi.exe -a
        
```

Add the Mellanox driver to boot.wim.

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            dism /Mount-Wim /WimFile:boot.wim /index:2 /MountDir:mnt
dism /Image:mnt /Add-Driver /Driver:drivers /recurse
dism /Unmount-Wim /MountDir:mnt /commit

Note: Use ‘index:2’ for Windows setup and ‘index:1’ for WinPE.

Add the Mellanox driver to install.wim.

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            dism /Mount-Wim /WimFile:install.wim /index:4 /MountDir:mnt
dism /Image:mnt /Add-Driver /Driver:drivers /recurse
dism /Unmount-Wim /MountDir:mnt /commit

Note: When adding the Mellanox driver to install.wim, verify you are using the appropriate index for your OS flavor. To check the OS run ‘imagex /info install.win’.

Add the new boot and install images to WDS.
For additional details on WDS, please refer to: http://technet.microsoft.com/en-us/library/jj648426.aspx

Configuring iSCSI Target

To configure iSCSI Target:

Install iSCSI Target (e.g StartWind).
Add to the iSCSI target initiators the IP addresses of the iSCSI clients.

Configuring the DHCP Server

To configure the DHCP server:

Install a DHCP server.
Add to IPv4 a new scope.
Add boot client identifier (MAC/GUID) to the DHCP reservation.
Add to the reserved IP address the following options if DHCP and WDS are deployed on the same server:

Reserved IP Address Options

Option	Name	Value
017	Root Path	iscsi:11.4.12.65::::iqn:2011-01:iscsiboot Assuming the iSCSI target IP is: 11.4.12.65 and the Target Name: iqn:2011-01:iscsiboot
060	PXEClient	PXEClient
066	Boot Server Host Name	WDS server IP address
067	Boot File Name	boot\x86\wdsnbp.com

Warning

When DHCP and WDS are NOT deployed on the same server, DHCP options (60, 66, 67) should be empty, and the WDS option 60 must be configured.

Configuring the Client Machine

To configuring your client:

Verify the Mellanox adapter card is burned with the correct Mellanox FlexBoot version.
For boot over Ethernet, when using adapter cards with older firmware version than 2.30.8000, you need to burn the adapter card with Ethernet FlexBoot, otherwise use the VPI FlexBoot.
Verify the Mellanox adapter card is burned with the correct firmware version.
Set the “Mellanox Adapter Card” as the first boot device in the BIOS settings boot order.

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