On Saturday, November 3, 2018 9:45:11 AM -03 local10 wrote: > Hi, > > Am looking for an (easy) way to create a backup copy of working bootable > Debian Buster HD. The idea here is to have a second bootable > fully-functional HD which is normally offline but updated from time to > time, including all user data and installed packages. > > So for that purpose I have two HDs (working and backup), both are the same > model, the same size, both are partitioned exactly the same way (three > partitions: /boot, /, swap). Rsync-ing "/" partitions is not a problem and > coping boot partition files from "working /boot" to "backup /boot" could be > easily done too. However, I'm having issues making the backup HD bootable. > Either I'm doing something wrong with grub-install and/or perhaps just > coping files from "working /boot" to "backup /boot" isn't a good idea? > > Thanks
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