Dell PowerVault MD3000 - Manual (Page 44)

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Post-Installation Tasks
5 Edit the mpp.conf file to update the LoadBalancePolicy variable. Set the
LoadBalancePolicy variable to 0 for round robin or 1 for least queue depth.
Go to step 6 to complete the procedure.
6 Run this command to make sure that the changes persist:
mppUpdate
The mppUpdate command rebuilds the RAM disk image with the new load
balance policy settings. The new settings will be used after rebooting the host.
Changing Load Balance Policies in Windows 2008
Load balancing with the MD3000 is only available for Windows Server 2008
and later versions of the operating system. You can change the load balance
policies from the default round robin with subset by using one of the
following:
• Device Manager options (see step 1 through step 4)
• Disk Management options (see step 5 through step 8)
Changing the Load Balance Policy Using Windows 2008 Device Manager Options
1 From the desktop of the host, right-click the My Computer icon and
select Manage to open the Computer Management dialog.
2 Click Device Manager to show the list of devices attached to the host.
3 Right-click the multi-path disk device for which you want to set load
balance policies, then select Properties.
4 From the MPIO tab, select the load balance policy you want to set for this
disk device.
Changing the Load Balance Policy Using the Windows 2008 Disk Management
Options
5 From the desktop of the host, right-click the My Computer icon and
select Manage to open the Computer Management dialog.
6 Click Disk Management to show the list of virtual disks are attached to
the host.
7 Right-click the virtual disk on which you want to set the load balance
policy, then click Properties.