diff --git a/README.md b/README.md
index b746c1d..4c1a467 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,34 @@ Variables:
 * debianunattended_proxystring: http://hostname:port
 * debianunattended_mirror: ftp.de.debian.org
 * debianunattended_ntpserver: ntp.domain.tld
+* debianunattended_partmanauto_method: regular
+* debianunattended_partman-auto_method: raid
+* debianunattended_partman_disk1: vda
+* debianunattended_partman_disk2: vdb
+* debianunattended_partman-auto_disk: /dev/{{ debianunattended_partman_disk1 }} /dev/{{ debianunattended_partman_disk2 }}
+* debianunattended_partman-auto_expert_recipe | default('')
+* debianunattended_partman-auto-raid_recipe | default('')
+
+```
+RAID1-Example on 2 disks:
+debianunattended_partman_auto_method: raid
+debianunattended_raid_disk1: vda
+debianunattended_raid_disk2: vdb
+debianunattended_partman_auto_disk: /dev/{{ debianunattended_raid_disk1 }} /dev/{{ debianunattended_raid_disk2 }}
+debianunattended_partman_auto_expert_recipe: |
+  d-i partman-auto/expert_recipe string \
+    multiraid :: \
+      8192 8192 8192 raid $primary{ } $bootable{ } method{ raid } . \
+      8192 8192 -1 raid method{ raid } . \
+      8192 8192 8192 raid method{ raid } .
+
+debianunattended_partman_auto_raid_recipe: |
+  d-i partman-auto-raid/recipe string \
+    1 2 0 ext3 /boot /dev/{{ debianunattended_raid_disk1 }}1#/dev/{{ debianunattended_raid_disk2 }}1 . \
+    1 2 0 ext3 / /dev/{{ debianunattended_raid_disk1 }}5#/dev/{{ debianunattended_raid_disk2 }}5 . \
+    1 2 0 swap - /dev/{{ debianunattended_raid_disk1 }}6#/dev/{{ debianunattended_raid_disk2 }}6 .
+
+```
 #backup-ip-address for environment without dhcp
 * debianunattended_staticip_ipaddress: 192.168.1.42
 * debianunattended_staticip_netmask: 255.255.255.0
@@ -23,4 +51,6 @@ Variables:
 * debianunattended_staticip_nameservers: 192.168.1.1
 * debianunattended_mirror: ftp.de.debian.org
 
-Many Thanks to https://www.librebyte.net/en/systems-deployment/unattended-debian-installation/
\ No newline at end of file
+Many Thanks to
+* https://www.librebyte.net/en/systems-deployment/unattended-debian-installation
+* https://www.bishnet.net/tim/blog/2015/01/29/understanding-partman-autoexpert_recipe
\ No newline at end of file
diff --git a/templates/preseed.cfg.j2 b/templates/preseed.cfg.j2
index 8015f7e..7d6a2d3 100644
--- a/templates/preseed.cfg.j2
+++ b/templates/preseed.cfg.j2
@@ -171,7 +171,7 @@ d-i clock-setup/ntp-server string {{ debianunattended_ntpserver }}
 # - regular: use the usual partition types for your architecture
 # - lvm:     use LVM to partition the disk
 # - crypto:  use LVM within an encrypted partition
-d-i partman-auto/method string regular
+d-i partman-auto/method string {{ debianunattended_partman_auto_method | default('regular') }}
 
 # You can define the amount of space that will be used for the LVM volume
 # group. It can either be a size with its unit (eg. 20 GB), a percentage of
@@ -192,8 +192,9 @@ d-i partman-lvm/confirm_nooverwrite boolean true
 # - atomic: all files in one partition
 # - home:   separate /home partition
 # - multi:  separate /home, /var, and /tmp partitions
+{% if debianunattended_partman_auto_expert_recipe is not defined %}
 d-i partman-auto/choose_recipe select atomic
-
+{% endif %}
 # Or provide a recipe of your own...
 # If you have a way to get a recipe file into the d-i environment, you can
 # just point at it.
@@ -261,8 +262,12 @@ d-i partman/confirm_nooverwrite boolean true
 # Specify the disks to be partitioned. They will all get the same layout,
 # so this will only work if the disks are the same size.preseed
 #d-i partman-auto/disk string /dev/sda /dev/sdb
+{% if debianunattended_partman_auto_disk is defined %}
+d-i partman-auto/disk string {{ debianunattended_partman_auto_disk }}
+{% endif %}
 
 # Next you need to specify the physical partitions that will be used. 
+{{ debianunattended_partman_auto_expert_recipe | default('') }}
 #d-i partman-auto/expert_recipe string \
 #      multiraid ::                                         \
 #              1000 5000 4000 raid                          \
@@ -283,6 +288,7 @@ d-i partman/confirm_nooverwrite boolean true
 # <raidtype> <devcount> <sparecount> <fstype> <mountpoint> \
 #          <devices> <sparedevices>
 
+{{ debianunattended_partman_auto_raid_recipe | default('') }}
 #d-i partman-auto-raid/recipe string \
 #    1 2 0 ext3 /                    \
 #          /dev/sda1#/dev/sdb1       \
@@ -304,6 +310,8 @@ d-i partman-partitioning/confirm_write_new_label boolean true
 d-i partman/choose_partition select finish
 d-i partman/confirm boolean true
 d-i partman/confirm_nooverwrite boolean true
+d-i partman/confirm_nochanges boolean true
+d-i partman-md/confirm_nooverwrite boolean true
 
 ## Controlling how partitions are mounted
 # The default is to mount by UUID, but you can also choose "traditional" to
@@ -400,7 +408,7 @@ d-i grub-installer/with_other_os boolean true
 # not be determined safely in general, so this needs to be specified:
 #d-i grub-installer/bootdev  string /dev/sda
 # To install to the primary device (assuming it is not a USB stick):
-d-i grub-installer/bootdev  string default
+d-i grub-installer/bootdev  string {{ debianunattended_partman_auto_disk | default('default') }}
 
 # Alternatively, if you want to install to a location other than the UEFI
 # parition/boot record, uncomment and edit these lines: