Turns out the issue was our old DVD. We had Solaris 10 dated 06/08. I downloaded the latest version this morning and now I can boot into Single User Mode and see the raid array. Thanks.
I have a T2000 Sun-Fire server. I have 2 sets of drives in a raid 1. Lets call them Set A and Set B. I had Set A installed and working. I needed a new install so I so build up Set B. After some time...