OVH Baremetal Install "error disk md127,1 not found"

[AngeloLabate]

I am trying to install talos on a baremetal machine, raid1. An error disk md127,1 not found.
What am I doing wrong?

Hardware specifications:
Hardware
CPU
AMD EPYC 4244P - 6c/12t - 3.8 GHz/5.1 GHz
RAM
64 GB 5200 MHz
Data disks
2×960 GB SSD NVMe
Soft RAID

rescue mode:
mdadm --create /dev/md127 --name=md127 --level=1 --raid-devices=2 /dev/nvme0n1 /dev/nvme1n1 --metadata=1.2
cat /proc/mdstat
mdadm --detail /dev/md127
lsblk
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath] [faulty]
md127 : active raid1 nvme1n1[1] nvme0n1[0]
937560384 blocks super 1.2 [2/2] [UU]
[>....................] resync = 1.5% (14889984/937560384) finish=74.5min speed=206296K/sec
bitmap: 7/7 pages [28KB], 65536KB chunk
unused devices:
/dev/md127:
Version : 1.2
Creation Time : Sat Apr 26 19:35:37 2025
Raid Level : raid1
Array Size : 937560384 (894.13 GiB 960.06 GB)
Used Dev Size : 937560384 (894.13 GiB 960.06 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Sat Apr 26 19:36:50 2025
State : clean, resyncing
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Consistency Policy : bitmap
Resync Status : 1% complete
Name : rescue12-customer-ca:md127 (local to host rescue12-customer-ca)
UUID : e27a1454:278269e0:427ee78a:960986eb
Events : 19
Number Major Minor RaidDevice State
0 259 1 0 active sync /dev/nvme0n1
1 259 0 1 active sync /dev/nvme1n1
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
nbd0 43:0 0 0B 0 disk
nbd1 43:32 0 0B 0 disk
nbd2 43:64 0 0B 0 disk
nbd3 43:96 0 0B 0 disk
nbd4 43:128 0 0B 0 disk
nbd5 43:160 0 0B 0 disk
nbd6 43:192 0 0B 0 disk
nbd7 43:224 0 0B 0 disk
nvme1n1 259:0 0 894.3G 0 disk
└─md127 9:127 0 894.1G 0 raid1
nvme0n1 259:1 0 894.3G 0 disk
└─md127 9:127 0 894.1G 0 raid1
nbd8 43:256 0 0B 0 disk
nbd9 43:288 0 0B 0 disk
nbd10 43:320 0 0B 0 disk
nbd11 43:352 0 0B 0 disk
nbd12 43:384 0 0B 0 disk
nbd13 43:416 0 0B 0 disk
nbd14 43:448 0 0B 0 disk
nbd15 43:480 0 0B 0 disk

Boot From harddisk mode:
reboot
Talos image fatory
Baremetal
Talos 1.9.5
amd64
System Extensions
siderolabs/amd-ucode (20250211)
siderolabs/intel-ice-firmware (20250211)
"Intel Ethernet Connection E800 Series NICs "
siderolabs/intel-ucode (20250211)
siderolabs/tailscale (1.78.1)
siderolabs/util-linux-tools (2.40.4)
Customization
md_mod.start=1

IPMI/KVM
Virtual cdrom boot: image-amd64.iso

PS C: talosctl get disks --insecure -n serverip
NODE NAMESPACE TYPE ID VERSION SIZE READ ONLY TRANSPORT ROTATIONAL WWID
MODEL SERIAL
runtime Disk loop0 1 4.1 kB true
runtime Disk loop1 1 57 kB true
runtime Disk loop2 1 38 MB true
runtime Disk loop3 1 463 kB true
runtime Disk loop4 1 2.7 MB true
runtime Disk loop5 1 4.1 kB true
runtime Disk loop6 1 4.1 kB true
runtime Disk loop7 1 74 MB true
runtime Disk md127 1 960 GB false
runtime Disk nvme0n1 1 960 GB false nvme eui.3634463058b175170025384e00000001 SAMSUNG MZQL2960HCJR-00A07 S64FNN0XB17517
runtime Disk nvme1n1 1 960 GB false nvme eui.3634463058b175940025384e00000001 SAMSUNG MZQL2960HCJR-00A07 S64FNN0XB17594
runtime Disk sr0 1 158 MB false usb
Virtual CDROM0

Controlplane.yaml

install:
disk: /dev/md127
image: ghcr.io/siderolabs/installer:v1.9.5
bootloader: true
wipe: false

Error occurs " grub-install: error: disk 'md127,1' not found.

rescue mode:

lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
nbd0 43:0 0 0B 0 disk
nbd1 43:32 0 0B 0 disk
nbd2 43:64 0 0B 0 disk
nbd3 43:96 0 0B 0 disk
nbd4 43:128 0 0B 0 disk
nbd5 43:160 0 0B 0 disk
nbd6 43:192 0 0B 0 disk
nbd7 43:224 0 0B 0 disk
nvme1n1 259:0 0 894.3G 0 disk
└─md127 9:127 0 894.1G 0 raid1
├─md127p1 259:2 0 100M 0 part
├─md127p2 259:3 0 1M 0 part
├─md127p3 259:4 0 1000M 0 part
└─md127p4 259:5 0 1M 0 part
nvme0n1 259:1 0 894.3G 0 disk
└─md127 9:127 0 894.1G 0 raid1
├─md127p1 259:2 0 100M 0 part
├─md127p2 259:3 0 1M 0 part
├─md127p3 259:4 0 1000M 0 part
└─md127p4 259:5 0 1M 0 part
nbd8 43:256 0 0B 0 disk
nbd9 43:288 0 0B 0 disk
nbd10 43:320 0 0B 0 disk
nbd11 43:352 0 0B 0 disk
nbd12 43:384 0 0B 0 disk
nbd13 43:416 0 0B 0 disk
nbd14 43:448 0 0B 0 disk
nbd15 43:480 0 0B 0 disk

[smira]

In general, we do not support md-raid (yet), but I would try Talos 1.10.0, as it doesn't use GRUB on UEFI platforms anymore, so it should probably work out of the box.