RAID

Set up

• Postfix

sudo aptitude install mdadm

Create

Set disc type

For each disc:

sudo fdisk /dev/sdb

n          ; for a new partition
enter
p          ; for a primary partition
enter
1          ; number of partition
enter    ; accept the default
enter    ; accept the default
t          ; to change the type
fd        ; sets the type to be “Linux raid auto detect” (83h)
w         ; write changes to disk and exit

References

• https://help.ubuntu.com/10.04/serverguide/C/advanced-installation.html
• http://warfieldninjas.com/2010/11/ubuntu-software-raid5-and-raid6-with-mdadm/
• http://www.howtogeek.com/51873/how-to-setup-software-raid-for-a-simple-file-server-on-ubuntu/
• http://www.ainer.org/raid-5-6-install-setup-configuration-guide-for-ubuntu-10-04-lts-lucid-lynx/2