Spudney, we’re still experiencing the same issue even with only one map to each volume per server. I’ll try to do single path later this evening, in order to answer your question, but I doubt it working. Can I clarify one thing please? Shut down the host. Monday, April 7, Hi Guys I found the answer myself, hope this helps others!

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HP MSA 2000 series MPIO DSM on Windows 2008

I checked and under the disk properties it shows Microsoft DSM is in charge. Hope you fare better.

Installing on Windows Server Prior to R2 1. Respond appropriately to the prompts.

Installing MSA MPIO drivers under Hyper-V R2 Standalone | Ramblings of a Geek

Some handy commands in the CLI. Not much in here, but my old thread on it. However, I’m confused as to what HBA you would use on one of your blades. Friday, March 14, Thanks for giving me a bit of hope!

HP MSA series MPIO DSM on Windows – Ars Technica OpenForum

Tue Nov 03, Monday, March 10, 4: The logs point to failures in the ssproxy. The web page is so slow for volume mapping that I used the CLI instead. With kind regards Derrick. So for example to map 3 volumes to both SAS controllers on all 4 MSA ports it’s a dual controller model fully wired with read-write access I would do this.


Microsoft does not recommend the use of these drivers. Not a happy bunny. But then that’s our legal team vs HP’s legal team Nothing herein should dsn construed as constituting an additional warranty. If the active path fails then one of the standby paths is used. When you say you map the lun to the second blade what exactly do u mean?

Reboot your system to remove the DSM. Windows Server General https: Sorry for the delay in getting back in touch re this solution. Installing on Windows Server R2 Microsoft has deprecated the servermanagercmd command mpoo Windows Server R2, so use the ocsetup command instead.

As soon as the mpclaim command completes, the host will be rebooted. If I have a single blade connected using the mpio 2x paths or 4x paths, it is stable as can be.

If the CSV isn’t created in Failover Cluster Manager, then the 2nd Blade will not see the file properly at all – it would suspect corruption of the disk. Friday, March 14, 6: Saturday, March 15, 3: The failback feature is mlio valid when the load balance mode is FailOver.


Apr 24, Posts: I’m working on a few things with them now, looking at how the file systems are “wrapped” by the Cluster Service – and I may have a bit of good news after the weekend’s testing.

Monday, March 10, 9: The progress of the uninstall procedure is displayed in a splash screen, which automatically closes after the drivers are uninstalled.

The MPIO software is installed. Rather disconcertingly, although the Pm is listed in the HP Technical white paper: