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Re: Creating a bootable (non-UEFI) backup copy of a bootable (non-UEFI) Debian hard disk

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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