diff --git a/pre-inst.sh b/pre-inst.sh
index 091faa9..ed952fa 100755
--- a/pre-inst.sh
+++ b/pre-inst.sh
@@ -48,9 +48,7 @@ fi
 timedatectl
 
 if [[ ! "$(hostname)" == "debian-live" ]]; then
-	zgenhostid \
-		-f \
-		0x00bab10c
+	"${baseDir}/zfs.sh" --host-id
 fi
 
 
@@ -98,9 +96,7 @@ fi
 
 # if [[ ! "${*}" = *--no-part* ]]; then
 	if [[ -f "/etc/zfs/keys/${hostname,,}.key" ]]; then
-		cp \
-			/etc/zfs/keys/${hostname,,}.key \
-			/mnt/etc/zfs/keys/
+		"${baseDir}/zfs.sh" --key
 	fi
 # fi
 
@@ -110,9 +106,7 @@ fi
 
 "${baseDir}/chroot.sh" --continue
 
-zpool \
-	export \
-	-a
+"${baseDir}/zfs.sh" --unmount
 
 printf \
 	'\033[?47h\033[2J\033[H'
diff --git a/zfs.sh b/zfs.sh
index 572c4a5..0ce8f89 100755
--- a/zfs.sh
+++ b/zfs.sh
@@ -272,3 +272,25 @@ fi
 # 	zfs mount \
 # 	${hostname,,}/var/mail
 # fi
+
+if [[ "${1}" == '--key' ]]; then
+	cp \
+		/etc/zfs/keys/${hostname,,}.key \
+		/mnt/etc/zfs/keys/
+elif [[ "${1}" == '--unmount' ]]; then
+	mount | grep -v zfs | tac | awk '/\/mnt/ {print $3}' | xargs -I {} umount -Rlf {}
+
+	if [[ "${ID}" == 'fedora' ]]; then
+		umount \
+			-nR \
+			/mnt
+	fi
+
+	zpool \
+		export \
+		-a
+elif [[ "${1}" == '--host-id' ]]; then
+	zgenhostid \
+		-f \
+		0x00bab10c
+fi