Hi Fraser,

On 8/3/22 16:33, fraser kendall wrote:
> However, despite two days of effort, I cannot get the machine to boot
> linux from the hard drive. The first problem was not detecting disks
> during installation, although after switching to legacy boot, the
> installer found the disks; partitioning and installation then completed
> as expected. The machine, however, failed to boot (no bootable image)
> after this 'successful' installation. I grub-installed to the
> 'removable media path' as advised,, but I did use a 'targeted' not a
> 'generic' initrd; this last has not been a problem before.
>
> I have disabled the RAID according to these instructions.
>
> https://www.dell.com/community/PowerEdge-HDD-SCSI-RAID/Linux-installation-doesn-t-find-physical-disks-on-R320/td-p/7659439

Did you read the following guide?

https://wiki.debian.org/DebianInstaller/SataRaid

HTH,

Aitor.