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MultiPath I/O (MPIO) Cmdlets in Windows PowerShell

Windows Server 2012 R2 and Windows 8.1

Updated: October 17, 2013

Applies To: Windows 8.1, Windows PowerShell 4.0, Windows Server 2012 R2

Windows PowerShell® is a task-based command-line shell and scripting language designed especially for system administration. This reference topic for the information technology (IT) professional provides assistance in utilizing the Windows PowerShell cmdlets to script and automate tasks.

Multipath I/O (MPIO) Cmdlets

This reference provides cmdlet descriptions and syntax for all Mulitpath I/O (MPIO)-specific cmdlets. It lists the cmdlets in alphabetical order based on the verb at the beginning of the cmdlet.

 

Cmdlet Description

Clear-MSDSMSupportedHW

Removes all hardware identifiers (IDs) from the Microsoft Device Specific Module (MSDSM) supported hardware list.

Disable-MSDSMAutomaticClaim

Stops MSDSM from automatically claiming SAN disks for MPIO for a bus type.

Enable-MSDSMAutomaticClaim

Stops MSDSM from automatically claiming SAN disks for MPIO for a bus type.

Get-MPIOAvailableHW

Lists devices available in the system that can be managed by the Microsoft Device Specific Module (MSDSM) for Multipath I/O (MPIO).

Get-MPIOSetting

Gets MPIO settings.

Get-MSDSMAutomaticClaimSettings

Gets the settings for MSDSM automatically claiming SAN disks for MPIO.

Get-MSDSMGlobalDefaultLoadBalancePolicy

Gets the default load balance policy for MPIO devices.

Get-MSDSMSupportedHW

Lists hardware identifiers (IDs) in the Microsoft Device Specific Module (MSDSM) supported hardware list.

New-MSDSMSupportedHW

Creates a new hardware identifier (ID) with a specific vendor ID and product ID combination in the Microsoft Device Specific Module (MSDSM) supported hardware list.

Remove-MSDSMSupportedHW

Removes a hardware identifier (ID) with the specific vendor ID and product ID combination from the Microsoft Device Specific Module (MSDSM) supported hardware list.

Set-MPIOSetting

Changes MPIO settings.

Set-MSDSMGlobalDefaultLoadBalancePolicy

Sets the default load balance policy for MPIO devices.

Update-MPIOClaimedHW

Attempts to claim devices that are currently in the Microsoft Device Specific Module (MSDSM) supported hardware list.

noteNote
To list all the cmdlets that are available, use the Get-Command -Module MPIO cmdlet.

For more information about, or for the syntax of, any of the cmdlets, use the Get-Help <cmdlet name> cmdlet, where <cmdlet name> is the name of the cmdlet that you want to research. For more detailed information, you can run any of the following cmdlets:

Get-Help <cmdlet name> -Detailed
Get-Help <cmdlet name> -Examples
Get-Help <cmdlet name> -Full

More Information

For more information about the cmdlets, see the following:

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