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[Xen-users] Windows PV drivers with 4K sector size

Hello all,

I added some new 4Kn drives to one of my servers but seem to be having some trouble getting a Windows VM to work with the drives.  Originally I had just assigned a new logical volume to the existing guest, but Windows reported the disk as being 8x larger than it was, and any attempts to partition it would just throw back IO errors.  Hoping it was just some limitation of seabios, I created a new VM using ovmf and the disk detected fine and the install went without issue.  When I then attempted to install the PV drivers however, the system would no longer boot, and would throw back Inaccessible Boot Device errors, so I'm guessing my problem in the original guest was the drivers rather than that bios.

So I guess what I'm getting it as I'm trying to find out if there is a way to make 4K sector size work for Windows guests using PV drivers.  I'd hate to have the run the server without using the PV drivers for obvious performance issues.

Thanks for any insight anyone may have.
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