On Thu, Jul 18, 2024 at 10:38:42PM +0200, Martin Schrder wrote: > Am Mi., 17. Juli 2024 um 00:18 Uhr schrieb <04-psyche.tot...@icloud.com>: > > Does this idea make sense? > > No. > You'll have to keep both systems up-to-date.
Only if you expect the system to come up 100% automatically when the first disk fails. Otherwise all that is necessary is to arrange for it to boot in to a fresh installation of the base system which has enough minimal configuration to ensure that it can be accessed remotely, and you can then update and reconfigure it in one go as required. So no need to mirror each update and configuration change step by step on both installations. Since the OP is planning to store user data on disk 2, it would be trivial to write a script that tars up essential config files from the main installation on disk 1 and writes them to the other disk, ready for reference in case of failing over to the second installation. Running the script on a daily basis from cron and deleting backups over a week old would probably suffice.