Create an image mode volume.

1  mkvdisk  -mdiskgrp
2.1 
2.1   -vtype   -mdisk 
2.1 
2.1 ?   -iogrp 
2.1 
2.1 ?  -size ?  -accessiogrp
2.1 
2.1 ?  -fmtdisk?  -nofmtdisk?  -rsize
2.1 
2.1 
2.1 auto
1? -warning
2.1 
2.1 ?  -rsize (continued) ?  -autoexpand?  -grainsize
2.1! 32
2.1 64
2.1 128
2.1 256?   -deduplicated ?   -import ?   -copies  ?   -createsync ?   -syncrate  ?   -mirrorwritepriority 
2.1 
2.1 ?   -udid  ?   -node 
2.1 
2.1 ?   -unit 
2.1 b
2.1 kb
2.1! mb
2.1 gb
2.1 tb
2.1 pb?   -name  ?   -cache 
2.1! readwrite
2.1 readonly
2.1 none?  -easytier 
2.1 
2.1