HP 3PAR StoreServ Cluster Extension Software Installation Guide (5697-2895, December 2013)

PowerShell Cmdlets can also be used to perform the above steps.
To check if the resource extension DLL is registered, run the following command:
(Get-ClusterResourceType "Cluster Extension 3PAR").AdminExtensions
If the resource extension DLL is registered, the output will show the GUID of the admin extension
as shown
{C977EFB9-B640-4E6C-9473-ECE586EC2074}
If resource extension DLL is not registered
1. Run the command regsvr32 c:\windows\system32\clx3parmscsex.dll. Run this
command on all the cluster nodes.
2. Run the command on the PowerShell environment:
(Get-ClusterResourceType "Cluster Extension 3PAR").AdminExtensions
= "{C977EFB9-B640-4E6C-9473-ECE586EC2074}"
This command should be executed only, from one of the cluster nodes.
Unregistering the resource type and resource extension DLL manually
Enter the following command to unregister the resource extension DLL:
cluster /UNREGADMINEXT:clx3PARmscsex.dll
Enter the following command to unregister the resource type:
cluster resourcetype "Cluster Extension 3PAR" /delete
Using the PowerShell
Enter the following command to unregister the resource extension DLL:
1. Run the command regsvr32 /u c:\windows\system32\clx3parmscsex.dll. This
should be executed on all the cluster nodes.
2. Run the command on the PowerShell Environment (Get-ClusterResourceType "Cluster
Extension 3PAR").AdminExtensions = ""
This should be executed only from one of the cluster nodes.
Enter the command to unregister the resource type from one of the cluster nodes.
Remove-ClusterResourceType -Name "Cluster Extension 3PAR"
NOTE: On Windows Server 2012, another cluster resource of type "Cluster Extension 3PAR for
VM Management" is also created. If you experience issues in registration and unregistration of
this resource type, follow the steps mentioned in “Registering the resource type and resource
extension DLL manually” (page 19) and “Unregistering the resource type and resource extension
DLL manually” (page 20) to overcome the issues.
Registering the CLX PowerShell Cmdlet DLL manually [Windows Server
2012 only]
If a problem occurs during installation, execute the following commands from the command line
on all the cluster nodes to register the PowerShell Cmdlets DLL.
Check if Cmdlet is registered or not. Launch PowerShell Window. Run the Command
Get-PSSnapin -Registered
If the Cmdlet is registered then the following output will be displayed:
Name : CLX3PARCmdletsSnapin
PSVersion : 3.0
Description : This PowerShell SnapIn provides cmdlets for helping the user manage CLX 3PAR with
Microsoft Windows PowerShell.
20 Installing HP 3PAR StoreServ Cluster Extension Software