Installation problem with NVMe drive

Hi,
i am trying to install OMV 2.1 on a machine with a NVMe device.
During installation only a bootable USB drive that i made with rufus and the NVMe are connected.
The installation routine successfully installs the network.
After that i get the following error message:
Partition(s) 1 on /dev/sda have been written; but we have been unable to inform the kernel of the change, probably because it/they are in use. As a result the old partition(s) will remain in use.
You should reboot now before doing further changes. ERROR!!!
I do a rebbot as recommended and the system does no more boot from the USB drive.
I don't get any prompt to choose a device to install on.

So i guess that /dev/sda is my USB drive and the installation routine does changes on it. This of course explains why it is in use and why i cannot boot from it afterwards. However i wonder why i cannot choose my intended installation device (the NVMe device) during installation.

Can someone please give me a hint how i can choose the intended device for installation? Whether i need to include an extra driver for the installation and if so where i can find a guid how to do it?

Thanks.

Thanks for this hint subzero.
I read your guide and will try it.
However after reading i am now aware of Howto install OpenMediaVault on Debian 7.x (Wheezy).
And therefore i wonder why i shouldn't simply install debian 7.9 on the NVMe from an iso here and continue with Howto install OpenMediaVault on Debian 7.x (Wheezy)
Is there a specific reason?

Best regards.

Thank you very much subzero.

Zitat

The other user indicated that his NVMe drive was not recognized by the installer with the default 3.2

I can confirm that this is also the case for me with a Gigabyte Z170N MB and a Samsung SM951-NVMe.

So i executed the steps you recommend in [GUIDE] DEBOOTSTRAP: Installing Debian into a folder in a running system.
It's excellent, so that i could execute all the step desptite me lacking linux knowledge.
It left me with a running 7.X debian system with a small downside that i did not manage to install a german keyboard layout.
I also booted this installation successfully.

However when executing the steps from this Guide afterwards: Installation of OpenMediaVault 2.x on Debian 7.x (Wheezy). The system did not boot anymore.
The boot screen printed "GRU" with a blinking cursor.
I find this behaviour very strange because i understood that GRUB is a bootmanager and from my understanding installing OMV would not need any changes on the bootmanager.

Am i wrong?

I still have the Linux install that i used for debootstrapping on the machine and i would guess that i can do

apt-get install grub2
grub-install /dev/nvme

again to reinstall grub.

This would be my next "move".

I'll post my results here.

Best regards.

Hi,

i failed doing another try to install grub.
When i execute grub-install /dev/nvme0n1 i get the message:
/usr/sbin/grub-probe: error: cannot find a device for /boot/grub (is /dev mounted?)
I read some background info about grub. It says that i need to have a seperate bootloader partition for grub.
I did not create it as it is not listed in your guide.
Can you please comment whether it is mandatory to have such a partition?

Best regards.

No in fact i did not bind /dev.
After doing so after executing grub-install i get another two messages:
/usr/sbin/grub-setup: warn: This GPT partition label has no BIOS Boot partition; embedding won't be possible!.
/usr/sbin/grub-setup: error: embedding is not possible, but this is required for cross-disk install.

Do you think i can fix this or do i have to create a bois partition?

I am sorry for asking these newbie questions but i am a little bit puzzled:
In other forums i read that GPT is the more "up to date method" and MBR the "old" way.
So wouldn't it be better if i created a boot partition and use GPT? Or is this somewhat not compatible/ not needed with debian wheezy or OMV.

Thanks again for your help. I really appreciate your answers.

I tried with GPT again first and used an efi partition.

Zitat

so things get complicated in Debian Wheezy

Indeed!
I tried the hints in the articles here: http://superuser.com/questions…ow-to-reinstall-grub2-efi and here: https://wiki.debian.org/GrubEFIReinstall
But none gave me a booting system. All stoped with a "GRUB" and blinking cursor on the screen.
I didn't think that it is so complicated making debian boot.
My MoBo has a legacy option. So i will try with MBR now.

Hi again. Also using MBR failed for me.
I executed all steps from the [GUIDE] DEBOOTSTRAP: Installing Debian into a folder in a running system again but used an MBR for partitioning.
When the system boots grub says: error: no such device: <UUID of my partition that i verified to be correct in fstab and grub.cfg>.

Do you have any idea how to fix this?