# some versions of sfdisk need manual specification of
# head/sectors for devices such as drbd which don't
# report geometry
- sfdisk -H 255 -S 63 --quiet --Linux "$1" <<EOF
-0,,L,*
+ sfdisk -H 64 -S 32 -u S --quiet --Linux "$1" <<EOF
+2048,,L,*
EOF
}