Thats the situation.

A intel SCSI backplane. Two hard disk in raid 0. mirror.
More two same SCSI HD (36 GB).

What I need.

Configure the two HD as VOL1: and hot swap it.

What happened ... The hard drive for hd is dismount and when I want mount
the other HD .... AHRRRKKK!!!

Are a possible solution???

Tanks for help!