Draft of partition scheme
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	elukey
	May 10 2016, 1:42 PM

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	# Automatic software RAID partitioning
	#
	# Analytics Query Service
	#
	# * 8 SSDs, sda, sdb, sdc, sdd, sde, sdf, sdg, sdh
	# * LVM
	# * layout:
	# - /: RAID10, 30GB
	# - /srv/cassandra-a: RAID0, on sda, sdb, sdc, sdd
	# - /srv/cassandra-a: RAID0, on sde, sdf, sdg, sdh

	d-i partman-auto/method string raid
	d-i partman-md/device_remove_md boolean true
	d-i partman-lvm/device_remove_lvm boolean true
	d-i partman/alignment select optimal

	d-i partman-auto/disk string /dev/sda /dev/sdb /dev/sdc /dev/sdd /dev/sde /dev/sdf /dev/sdg /dev/sdh
	d-i partman-auto/choose_recipe select multiraid

	# Define physical partitions
	d-i partman-auto/expert_recipe string \
	multi-raid :: \
	30000 1 30000 raid \
	$primary{ } method{ raid } \
	$lvmignore{ } \
	. \
	100000 4 -1 ext4 \
	$lvmok{ } \
	$defaultignore{ } \
	lv_name{ srv_cassandra_a } \
	method{ format } \
	format{ } \
	use_filesystem{ } \
	filesystem{ ext4 } \
	mountpoint{ /srv/cassandra-b } \
	. \
	100000 4 -1 ext4 \
	$lvmok{ } \
	$defaultignore{ } \
	lv_name{ srv_cassandra_b} \
	method{ format } \
	format{ } \
	use_filesystem{ } \
	filesystem{ ext4 } \
	mountpoint{ /srv/cassandra-b } \
	.

	# Parameters are:
	# <raidtype> <devcount> <sparecount> <fstype> <mountpoint> \
	# <devices> <sparedevices>
	d-i partman-auto-raid/recipe string \
	10 4 2 ext4 / \
	/dev/sda1#/dev/sdb1#/dev/sdc1#/dev/sdd1 \
	. \
	0 4 0 lvm - \
	/dev/sda2#/dev/sdb2#/dev/sdc2#/dev/sdd2 \
	. \
	0 4 0 lvm - \
	/dev/sde1#/dev/sdf1#/dev/sdg1#/dev/sdh1 \
	.

	d-i partman-md/confirm boolean true
	d-i partman-md/confirm_nooverwrite boolean true
	d-i partman/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-auto-lvm/guided_size string 90%
	d-i partman-lvm/confirm boolean true
	d-i partman-lvm/confirm_nooverwrite boolean true
	d-i partman-lvm/device_remove_lvm boolean true
	d-i mdadm/boot_degraded boolean true

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