Solaris Express Installation Guide: Custom JumpStart and Advanced Installations

dontuse Profile Keyword

dontuse disk_name ...

By default, the JumpStart program uses all of the operational disks on the system when partitioning default is specified. dontuse designates one or more disks that you do not want the JumpStart program to use. disk_name must be specified in the form cxtydzor cydz, for example, c0t0d0.

Note –

You cannot specify the dontuse keyword and the usedisk keyword in the same profile.