Updated : MPIO Guide for DSM Developers

Our guide on creating a DSM for MPIO for storage developers for Windows Server 2012 is now available at the link below:   http://www.microsoft.com/en-us/download/details.aspx?id=30454   Thanks,   Bruce


Updated storage documentation for Windows Server 2008 R2 and Windows 7

At the link below, you will find information about what has changed for the iSCSI Initiator, and MPIO in Windows 2008 R2. Also, the first in the series of our new configuration and step-by-step guides is available at the same location, which covers the configuration and usage of the iSCSI Initiator for both R2 and…


Scripting Example: How to set the MPIO LB policy

The following scripting example shows how to set the MPIO Load Balancing policy via a script calling WMI: Just to expand on the information below, FOO Failover Only RR Round Robin RRwS Round Robin with Subset LQD Least Queue Depth WP Weighted Paths ‘—————————————————————————– ‘ ‘ SET_LBP.vbs ‘ ‘ WScript which can be used to…


How to set the MPIO policy for a disk in Windows Server 2008

  MPIO LUN policy management is integrated in the Disk Management MMC. To configure MPIO LUN load balancing, start the Disk Management MMC (diskmgmt.msc): Right-Click the Desired disk (in this case Disk 1) to change the policy for, and choose properties: Click the MPIO tab in the Device Properties. The Desired Load Balance Policy can…


How to query the MPIO policy – Scripting Example

The following script example shows how to query the current load balancing policy for MPIO devices. Once it successfully runs, it will print out integer values.  i.e.) 1, 2, 3, 4, 5, 6, and 7 These values represent the following MPIO policies: 1             “Fail Over Only” 2             “Round Robin”, 3             “Round Robin with Subset” 4            …