[Sisuite-devel] No more reboot needed when imaging a client. (Video)

[LAHAYE O. <oli...@ce...>]

1st time in history: Install a system and run it without rebooting in between!

Now, it is not needed to reboot anymore after having imaged a node. If imager (initramfs) is running a kernel that has it's modules in the image (same version), then we just finish booting (mount /sysroot and swap-root and finish boot process just like if we had booted from scratch).

See SystemImager in action here:
http://olivier.lahaye1.free.fr/SystemImager/Videos/20180403_SystemImager_directboot.webm

Note:
- This install is using lvm over software raid (partitions); a somewhat complex disk layout
- The network error at the end is because I have a postinstall script that sets up an infiniband interface that is not present in my qemu VM (so this is expected).
Aside that everything works perfectly (including standard network).

Now backporting this feature to CentOS-6 (tested Ok on CentOS-7, should work on Fedora-27 and OpenSuSE-42.3 (will test later))

-- 
  Olivier LAHAYE