Stan writes: > :build a0.pub.sys > :build a1.pub.sys;dev=ldev1 > :build a2.pub.sys;dev=notldev1 > :build a3.pub.sys;dev=1 > :build a4.pub.sys;dev=2 > :build a5.pub.sys;dev=disc > :comment you can't do: build a5.pub.sys;dev=mpexl_system_volume_set But you *can* do: :DSTAT ALL LDEV-TYPE STATUS VOLUME (VOLUME SET - GEN) ---------- -------- -------------------------- 1-C2490AM MASTER MEMBER1 (MPEXL_SYSTEM_VOLUME_SET-0) 2-C2490AM MEMBER MEMBER2 (MPEXL_SYSTEM_VOLUME_SET-0) :BUILD A6;DEV=**MEMBER1 :BUILD A7;DEV=**MEMBER2 G.