Le 16/11/2015 12:55, [email protected] a écrit :
Hi,
I tried to install Duvuan using Devuan installer few times but all the
attempts failed due to partitioning the hard disk, followed by GRUB
installation at the end. So I used Debian installer (7.0 and 8.2) to
create basic Debian system, and then upgraded to Devuan system one by
one.
The system setup was
/dev/sda - bootable USB stick
/dev/sdb - Hard disk
[Partition disks] could not handle manual selection.
When I chose manual, it complained "No root file system."
Partition disks
No root file system
No root file system is defined.
Please correct this from the partitioning menu.
On 'Guided - use the largest continous free space', how dose it know
the free space on the hard disk which is already partitioned?
Guided partition kept the installationg going, but in the final stage
of GRUB boot loader, it failed to detect the Devuan partition.
Below is the error message.
Install the GRUB boot loader on a hard disk
Unable to install GRUB in /dev/sda
Executing 'grub-install /dev/sda' failed.
This is a fatal error.
Hi Hughe.
Here is my own experience with installing Debian as from several
releases back:
I always partition by hand but, if I do it naively, partition 1,
5,6,... starting from the beginning of the disk, grub always fail to
install with no understandable message.
I proved to myself that the reason was the lack of room at the
begining of the disk to install grub itself.
What I do now is to reserve some free space at the beginning of the
disk, like a few sectors - I don't care even sacrifying a cylinder if
there are plenty. It may be possible to use parted for that, but it is a
CLI, and I'm not very comfortable with it; I prefer cfdisk which is a
CUI (curses user interface).
There's a step in the installation process where the installer asks
the user if xhe wants some additional packages. I ask for cfdisk. Later,
when it comes to partitionning, I escape the installer by ctrl-alt-f1
and run cfdisk.
To preserve a sensible ordering of partition numbers, and since
cfdisk does not provide a simple way to reserve a free space, I proceed
as follows:
1) create partition 1 at the end of the disk - size doesn't matter
I'll destroy it soon
2) create partition 2 at the beginning, with the size I want to
give to the free space
3) delete partition 1 and re-create it with the size I really need,
at the beginning, that is on top of partition 2
4) delete partition 2
I have now three regions: a small free space, partition 1, and a
big free space. Now I can populate the big free space and leave the
small one unused for Grub to install. Then I return to the installer
with ctrl-alt-f7; at the end, Grub is installed without problem.
Didier
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