Problems using software-RAID assembled by Intel C600-Controller

[Sven Schumacher]

Hello,

I have the following configuration:

Dualboot-System, Assembled Software-Raid of whole disk for 2 4TB-Drives 
as RAID 1.

I'd like to partition that raid-volume like this with setup-storage

> disk_config nvme0n1 preserve_always:1,2 disklabel:gpt bootable:1 
> fstabkey:uuid align-at:4K
> primary /boot/efi 700MB vfat rw
> primary -       128MB   - -
> primary - 400GB:resize ntfs ro
> primary swap   16GB swap sw
> primary / 80GB-  ext4  rw,noatime,errors=remount-ro createopts="-L ROOT"
>
> disk_config raid preserve_always:2 disklabel:gpt fstabkey:uuid align-at:4K
> primary /boot 50MB ext4 rw
> primary - 1TB- ntfs -

But setup-storage denies that configuration. the mdadm.conf normally 
would be something like that:

DEVICES /dev/sda /dev/sdb
ARRAY md0 devices=/dev/sda,/dev/sdb

Is this possible? It seems, without having /boot on the harddrive, grub 
isn't able to boot linux, because the nvme is in an pcie-slot (called 
Dell Ultra-Speed Drive Duo PCIe-SSD-Karte (x8), 1 M.2-PCIe-NVMe-SSD 
(Klasse 40), 512 GB)


Thanks for help


Sven


-- 
Sven Schumacher - Systemadministrator Tel: (0511)762-2753
Leibniz Universitaet Hannover
Institut für Turbomaschinen und Fluid-Dynamik       - TFD
Appelstraße 9 - 30167 Hannover
Institut für Kraftwerkstechnik und Wärmeübertragung - IKW
Callinstraße 36 - 30167 Hannover

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