8x00 family of Disk Arrays 4.02.00 Installation and Reference Guide

NOTE:

You must repeat the following procedure on all nodes in the cluster, one at a time.

1. If MSCS is installed on your system, move all cluster resources owned by the current node to

another node in the cluster. If this is not applicable, proceed to step 2.

2. Run the following command:

• To enable the support for load balancing in MSCS environments:

hpdsm SetDefaultUsePR y device=<number>

• To disable the support for load balancing in MSCS environments:

hpdsm SetDefaultUsePR n device=<number>

3. Reboot the system for the new registry parameter to take effect.

Method 2:

NOTE:

You must repeat the following procedure on all nodes in the cluster, one at a time.

1. If MSCS is installed on your system, move all cluster resources owned by the current node to

another node in the cluster. If this is not applicable proceed to step 2.

2. Navigate to the HP MPIO EVA DSM installation directory <install_dir> on the current node.

3. Double-click the registry file (depending on your operating system).

4. Run the following command:

• To enable the support for load balancing in MSCS environment:

For Windows Server 2003 (32-bit):

<Target_Dir>\x86\hpaadsm_pr_on.reg

For Windows Server 2003 (IA64):

<Target_Dir>\IA64\hpaadsm_pr_on.reg

For Windows Server 2003 x64 Edition:

<Target_Dir>\AMD64\hpaadsm_pr_on.reg

• To disable the support for load balancing in MSCS environment:

For Windows Server 2003 (32-bit):

<Target_Dir>\x86\hpaadsm_pr_off.reg

For Windows Server 2003 (IA64):

<Target_Dir>\IA64\hpaadsm_pr_off.reg

For Windows Server 2003 x64 Edition:

<Target_Dir>\AMD64\hpaadsm_pr_off.reg

NOTE:

The <Target_Dir> refers to the folder you selected during the HP MPIO EVA DSM installation.

The default installation directory is C:\Program Files\Hewlett-Packard\HP MPIO

DSM\EVA DSM.

Support for load balancing in Microsoft Cluster Server environments for Windows Server 200320