You can use the command-line interface (CLI) to include an excluded or degraded managed disk (MDisk).
svcinfo lsmdisk nohdr delim :The following output is an example of what you might see:
0:mdisk0:online:managed:0:Group0:67.8GB:0000000000000000:controller0* 1:mdisk1:excluded:managed:0:Group0:205.0GB:0000000000000000:controller1+ 2:mdisk2:online:managed:0:Group0:273.3GB:0000000000000000:controller1# 3:mdisk3:online:managed:0:Group0:546.6GB:0000000000000000:controller1§ * 0080e52122fa8000000000000000000000000000000000000000000000000000 is appended to this line. + 600a0b80000c5ae4000000093eca105c00000000000000000000000000000000 is appended to this line. # 600a0b80000f6432000000043ef6b4ff00000000000000000000000000000000 is appended to this line. § 600a0b80000f4c920000000b3ef6c3d000000000000000000000000000000000 is appended to this line.
svctask includemdisk mdisk_number
where mdisk_number is the number of the MDisk to include.