export OPENSSL_PROG="$(type -P openssl)"
export ACCTON_PROG="$(type -P accton)"
export E2IMAGE_PROG="$(type -P e2image)"
+export BLKZONE_PROG="$(type -P blkzone)"
# use 'udevadm settle' or 'udevsettle' to wait for lv to be settled.
# newer systems have udevadm command but older systems like RHEL5 don't.