Create RAID 5 from 4 disks with encryption on Hetzner

Delete the existing logical drive

megacli -ldinfo -lall -aall
megacli -cfglddel -L0 -a0

Create 2 virtual drives, first 30 GB, second the rest of free space

megacli -CfgLDAdd -R5 [252:0,252:1,252:2,252:3] WB NORA Direct CachedBadBBU -sz20GB -strpsz256 -a0
megacli -CfgLDAdd -R5 [252:0,252:1,252:2,252:3] WB NORA Direct CachedBadBBU -strpsz256 -a0

Create partition table

gdisk /dev/sda

Start installer

installimage

Set hostname and swap and / partition in Hetzner editor

Reboot

Create a new empty GUID partition table (GPT) and new partion

gdisk /dev/sdb
o
n
w

Create filesystem

mkfs.ext4 /dev/sdb1

Setup encryption

apt install cryptsetup
cryptsetup luksFormat /dev/sdb1
cryptsetup luksOpen /dev/sdb1 backup
mkfs.ext4 /dev/mapper/backup
mount /dev/mapper/backup /backup

antisaWiki

Table of Contents

Create RAID 5 from 4 disks with encryption on Hetzner

Delete the existing logical drive

Create 2 virtual drives, first 30 GB, second the rest of free space

Create partition table

Start installer

Set hostname and swap and / partition in Hetzner editor

Reboot

Create a new empty GUID partition table (GPT) and new partion

Create filesystem

Setup encryption

Tested on

See also

References