Ursi,
It appears that when moving from a foreign disk to a DMP managed disk, the type changed from defined as 'simple' to 'auto' as shown in your original posting.
To redefine the DMP devices as simple, rather than auto, you could try:
# vxdisk rm i...
The device discovery within DMP provides a cross-platform, cross-array method to discover available LUN attributes. When DMP is in complete control of the communications with the devices, we can be confident that another layer did not block or obfus...