sysctl mandatory option for EFI

zfsinstall.sh

@@ -19,6 +19,8 @@ fi
 
 
 
+sysctl kern.geom.part.mbr.enforce_chs=0
+
 for D in ${DESTDISKS}; do
 	if [ -z "${DESTDISK_1}" ]; then
 		DESTDISK_1=${D}