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OCz Vertex 2 probably has an eraseblock size of 512kiB, so 1MB alignment works

Pregap only needs 32 sectors; boot only needs about 16MB
Make sure luks partition (type 0x44) is aligned to 2048 sectors (1MB) on both sides!
Leave about 40MB at the end. Might as well

p      start        end       size  type
----------------------------------------
p          0         31         32  0x00 # Pregap
1         32      34815      34784  0x83 # Boot
2      34816  107380735  107345920  0x44 # LUKS
3  107380736  107463887      83152  0x00 # SSD-padding

cryptsetup luksFormat -v -s 256 -c aes-xts-essiv:sha256 -h sha1 --align-payload 2048 /dev/sda2
cryptsetup luksOpen /dev/sda2 mapajani
badblocks -b1024 -c1024 -vvwt 0x00 /dev/mapper/mapajani # Or random or whatever; just need to write every sector of the raw dev
lvm pvcreate --verbose --metadatasize 1000k /dev/mapper/mapajani
lvm pvs -oname,vg_mda_size,pe_start --units s
lvm vgcreate --verbose mapajani /dev/mapper/mapajani
lvm pvs -oname,vg_mda_size,pe_start --units s
lvm lvcreate --verbose --extents 12079 --name root mapajani
lvm lvcreate --verbose --extents 1024 --name swap mapajani

mke2fs -vvt ext2 -L mapajani-boot /dev/sda1
mke2fs -vvt ext4 -E lazy_itable_init=1 -L mapajani-root /dev/mapper/mapajani-root
mkswap -f -L mapajani-swap /dev/mapper/mapajani-swap