This is taken from Microsoft Multipath I/O (MPIO) Users Guide for Windows Server 2012.
The following changes to MPIO are available in Windows Server 2012:
- PowerShell management and configuration: Utilizing the MPIO module in PowerShell, MPIO can be configured using PowerShell as an alternative to MPCLAIM.exe. See the section Installing and Managing MPIO using PowerShell: section of this document.
- Heterogeneous HBA usage with MPIO: Heterogeneous, (That is different) HBA types can now be used together with non-boot Virtual Disks only. In prior releases of Windows Server, it was mandatory to use HBA’s of the same model.
- Support for MPIO with multiport-SAS enclosures: The use of MPIO with Data volumes on a multiport-SAS enclosure is now supported.
Heterogeneous support for HBAs for data drives is cool. Now your network path fault tolerance can include different hardware models, chipsets, and drivers.