Configuring Raid on Cloud Servers

This guide is written with the following information assumed:

Currently running a Cloud Server.

2 or more additional Block storage drives have been added to the existing server.

Instructions work for both Raid 1 and Raid 0.

Please remember that Raid is not a backup!

In either case a good backup solution is still needed.


  1. A). Raid 1 – mdadm –create /dev/md1 –level=1 –raid-devices=2 /dev/sdb /dev/sdc
  2. B). Raid 0 with 2 drives – mdadm –create /dev/md1 –level=0 –raid-devices=2 /dev/sdb /dev/sdc
  3. C). Raid 0 with 4 drives – mdadm –create /dev/md1 –level=0 –raid-devices=4 /dev/sdb /dev/sdc /dev/sdd /dev/sde
  4. pvcreate /dev/md1
  5. vgcreate data /dev/md1
  6. vgchange -a y data
  7. lvcreate -L1000 -n my_volume data
  8. mkfs.ext4 /dev/data/my_volume
  9. mkdir /mnt/data
  10. mount /dev/data/my_volume /mnt/data
  11. blkid
  12. vi /etc/fstab
  13. UUID=c3c46b4b-b406-41e9-ab64-25db9485bcfc /mnt/data ext4 defaults 0 2
  14. Done

Marv has written 28 articles

5 thoughts on “Configuring Raid on Cloud Servers

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