On Thu, 24 Apr 2025 14:24:14 +0000 Pier Antonio Corradini <pierantonio.corrad...@gmail.com> wrote:
> This RAID is a RAID > “firmware” (aka “fakeraid”). It seems better mdadm (array: /dev/mdX) > instead of dmraid (with the activation by dmraid -ay; array: > /dev/mapper) but does legacy BIOS "impose" the use of dmraid? If you don't need the hardware RAID (e.g. for dual boot Windows) you might try deactivate it and use Debian softraid with mdadm only. This should work in any case, because once the Linux kernel is started it takes control and does usually a very good job. You should install grub to both devices, e.g. /dev/sda and /dev/sdb in your case, and grub will understand to boot from /dev/mdX softraid devices. Everything on top of the softraid devices behaves exactly as on real hard disk partition devices. You'll have a "normal" Debian on disk with an additional mdadm layer, which is completely irrelevant for any kind of normal usage, but protects you a little bit from hardware disk failures. -- kind regards Frank
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