And then, when I need a backup, I rsync from one of the borg backups onto my SD card.īut even after a exhausting research how the boot process works in general (loading the MBR -> jumping to the boot sector or boot partition -> loading the boot file -> loading the kernel), and trying to understand how the nand-sata-install script handles the U-Boot install, I don't understand how to make my SD card bootable. This can store incremental backups very well. Later, I want to include another step: I will backup my root file system with borg backup into a borg repository. (I am using parted mklabel and parted mkpart for preparing the partition table, then using mkfs.ext4 to create the filesystem, and then the rsync command from the nand-sata-install script (+x option to stop at file system boundaries) to copy the root file system). I had already a look at the nand-sata-install script, and based on that I already have the commands ready to copy the root filesystem. The idea is: When I am messing up my system (which I certainly will when playing around), I can copy one of the working backups onto another SD card and boot from that instead. My intention right now is the following: I want to make an automatic backup system, which runs regularly and saves the backups incrementally on an external HDD. I would say I have a good overview of the topics right now, but now I am at a point where I need your help. The last weeks I did a huge effort to read everything about what armbian exactly is, how it works, and also how the boot process works. My intention is to set it up as I need it, but I also want to understand how the system works. Recently I bought a Helios64 NAS and now I am playing around with it.
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