Comment 1 for bug 1162382

Currently only VHD based SRs are supported. It would work if you use NFS.

Unfortunately, LVHD is also not supported with Cinder right now either. It doesn't really fit the model Cinder has. However, if your array is supported over raw iSCSI with Cinder, it should work with XCP.

The LVHD SR does not work with VHD files, so does not work as the root SR. Given how things work right now, you might find the RAW image will work, but more by accident than by planning. It is quite hard to change this right now, but patches welcome, and I may be able to help.

This is already covered in the docs. Do raise a doc bug if it seems unclear.