Restore a Kimsufi server on an Ikoula One VPS Cloud

We are going to make a backup of a Kimsufi server [1] and carry out the restoration on a VPS CIO.

What is the VPS Coud Ikoula One

The Ikoula One Cloud [1] is a turnkey solution that includes an orchestration tool, a load balancer, firewall rules and an EC2 compatible API.

The advantages of the Ikoula One Cloud

Maitrise des coûts : Une facturation établie à l'avance
Une infrastructure dédiée: Déploiement d'instances privées
Garantie de faible latence
Un outil d'orchestration
Outil d'orchestration
Infogérance[2]

Kimsufi server preparation

Démarrer notre Machine virtuel sur un liveCD, par exemple DebianLive :
Définir un hostname pour facilement identifier la destination de la restoration

root@debian:~#  hostname testrestore

Installation of Acronis Agent Installation_agent_Linux[[3]]
Creation of partitions manually
In case you don't want to have as much disk space

root@debian:~# fdisk /dev/xvda

Welcome to fdisk (util-linux 2.33.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): n
Partition number (1-128, default 1):
First sector (34-209715166, default 2048): 40
Last sector, +/-sectors or +/-size{K,M,G,T,P} (40-209715166, default 209715166): 2048

Created a new partition 1 of type 'Linux filesystem' and of size 1004.5 KiB.

Command (m for help): n
Partition number (2-128, default 2):
First sector (2049-209715166, default 4096):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (4096-209715166, default 209715166): +97G

Created a new partition 2 of type 'Linux filesystem' and of size 97 GiB.

Command (m for help): n
Partition number (3-128, default 3):
First sector (203427840-209715166, default 203427840):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (203427840-209715166, default 209715166):

Created a new partition 3 of type 'Linux filesystem' and of size 3 GiB.

Command (m for help): t
Partition number (1-3, default 3): 1
Partition type (type L to list all types): 4

Changed type of partition 'Linux filesystem' to 'BIOS boot'.

Command (m for help): t
Partition number (1-3, default 3):
Partition type (type L to list all types): 19

Changed type of partition 'Linux filesystem' to 'Linux swap'.

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.

root@debian:~#

- If you have a backup

Backup:

sfdisk -d /dev/sda > partition.bak

Restoration :

sfdisk /dev/xvda < partition.bak

Formatting partitions

root@debian:~# mkfs.ext4 /dev/xvda2
mke2fs 1.44.5 (15-Dec-2018)
Creating filesystem with 25427968 4k blocks and 6356992 inodes
Filesystem UUID: 675556c0-d8a0-4c4e-b1fd-87d2b3a0f19e
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
        4096000, 7962624, 11239424, 20480000, 23887872

Allocating group tables: done
Writing inode tables: done
Creating journal (131072 blocks): done
Writing superblocks and filesystem accounting information: done

root@debian:~# mkswap /dev/xvda3
mkswap: /dev/xvda3: warning: wiping old swap signature.
Setting up swapspace version 1, size = 3 GiB (3219103744 bytes)
no label, UUID=315aee13-ed19-4408-8d20-74253a3edbff
root@debian:~#