Le 09/06/2018 à 22:13, Haines Brown a écrit :
> I'm installing ascii on a disk, sdc, in a machine that has two other disks,
> one of which, sda already has a bootable devuan jessie on it.
>
> The installation goes well until I go to write my partitioning of sdc to
> disk. I get the error message: "Two file systems are assigned to the same
> mount point (/): SCSII (0,0,0), partition #1 (sda) and SCSI3 (0,0,0),
> partition #1, (sdc).
>
> It is true that partition 1 of sda is a bootable primary partition, and
> I want to do the same for sdc. I've always had multiple independently
> bootable disks with their own GRUB on a machine. This is the first time
> I've run into trouble with it. In installation options for sdc, I did
> ask to have a MBR installed.
>
> Why does an installation on one disk care about what happens to be on
> another unmounted disk?

    First, check carefull y what you do in the partitionning dialog.
sda shouldn't be used at all by the system you install, but I suspect
you have maybe marked it as used in some way.

    Didier