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01-31-2015 04:30 AM
01-31-2015 04:30 AM
MSA 2040 (SAS) - Windows 2012 R2 detecting RAID Bus type
Hi,
Just setting up a new Hyper-V cluster.
I have the following Hardware/software setup:
- HP MSA 2040 (SAS) Dual controller.
- 2 x HP DL380 Gen9.
- 1 x HP Smart Array P441 in HBA mode per DL380.
- 2 x Mini SAS connections to MSA 2040 (controller A and B) per DL380.
- Windows Server 2012 R2.
- MS MPIO (SAS support ticked) feature installed.
Both of my hosts can see the volumes that I have mapped from the SAN and both detect the volumes as 1 drive ( meaning the MPIO is working). However the Bus type for the drives is reported as RAID, I was expecting SAS?
Is this to be expected, or have I missed a configuration step somewhere? This means I have to make a registry change for the Cluster validation tool to accept RAID type bus Disks as storage for the CSV. This all works and I can make HA VMs but I don't want to put this into production if this should be reporting the bus type as something else though.
Hope you can help!
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01-31-2015 05:33 AM - edited 01-31-2015 05:35 AM
01-31-2015 05:33 AM - edited 01-31-2015 05:35 AM
Re: MSA 2040 (SAS) - Windows 2012 R2 detecting RAID Bus type
If you lookup the quickspecs http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c04123144 you will find in "Step 4b" all supported server controllers, but not yours. However, assuming this is not a problem, the server can see LUNs, not disks, hence the server is probably right and sees RAID volumes, because the server cannot see the disks itself, but LUNs only.
and:
...
Hope this helps!
Regards
Torsten.
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