diff --git a/bash/fs.sh b/bash/fs.sh
index 005a56d..2635ce0 100644
--- a/bash/fs.sh
+++ b/bash/fs.sh
@@ -56,6 +56,22 @@ fs_make_fat() {
 	fi
 }
 
+fs_raid_create() {
+	if [ -n "${4}" ]; then
+		local name="${1}"
+		local uuid="${2}"
+		shift 2
+		mdadm \
+			--create "/dev/md/${name}" \
+			--level 0 \
+			--metadata 1 \
+			--name "md:${name}" \
+			--raid-devices ${#} \
+			--uuid "${uuid}" \
+			"${@}"
+	fi
+}
+
 fs_wipe() {
 	local device="${1}"
 	local buffer="${2}"
@@ -103,19 +119,3 @@ luks_format() {
 			cryptsetup "${@}" luksFormat "${device}"
 	fi
 }
-
-raid_create() {
-	if [ -n "${4}" ]; then
-		local name="${1}"
-		local uuid="${2}"
-		shift 2
-		mdadm \
-			--create "/dev/md/${name}" \
-			--level 0 \
-			--metadata 1 \
-			--name "md:${name}" \
-			--raid-devices ${#} \
-			--uuid "${uuid}" \
-			"${@}"
-	fi
-}
diff --git a/bash/rescue-hetzner.sh b/bash/rescue-hetzner.sh
index 82694d6..0417230 100644
--- a/bash/rescue-hetzner.sh
+++ b/bash/rescue-hetzner.sh
@@ -65,14 +65,8 @@ rescue_wipe_0_init_hetzner_8_8() {
 	for device in "${@}"; do
 		members+=("${device}2")
 	done
-	mdadm \
-		--create "/dev/md/boot" \
-		--level 0 \
-		--metadata 1 \
-		--name "md:boot" \
-		--raid-devices ${#} \
-		--uuid "00000000:00000000:00000000:00000002" \
-		"${members[@]}"
+	fs_raid_create \
+		"boot" "00000000:00000000:00000000:00000002" "${members[@]}"
 	#
 	fs_make_btrfs "/dev/md/boot" "boot" \
 		"00000000-0000-0000-0000-00000000000b"
@@ -95,14 +89,8 @@ rescue_wipe_0_init_hetzner_8_8() {
 	for device in "${@}"; do
 		members+=("${device}1")
 	done
-	mdadm \
-		--create "/dev/md/crypt" \
-		--level 0 \
-		--metadata 1 \
-		--name "md:crypt" \
-		--raid-devices ${#} \
-		--uuid "00000000:00000000:00000000:00000001" \
-		"${members[@]}"
+	fs_raid_create \
+		"crypt" "00000000:00000000:00000000:00000001" "${members[@]}"
 	# encrypt
 	luks_format "${passphrase}" "/dev/md/crypt"
 	# open