Hello Thomas,

Am 16.09.21 um 11:47 schrieb Thomas Lange:

5.10.0-8 there is some output telling me on which Ports the hdd and ssd are 
attached.
What is the output of cat /proc/partitions during FAI?
Maybe some special device names are ignored by FAI.

Output of cat /proc/partitions while running fai:
major minor  #blocks  name

 259        0  500107608 nvme1n1
 259        1     512000 nvme1n1p1
 259        2     131072 nvme1n1p2
 259        3  371093750 nvme1n1p3
 259        4    1074218 nvme1n1p4
 259        5  500107608 nvme0n1
 259        6     512000 nvme0n1p1
 259        7     131072 nvme0n1p2
 259        8  371093750 nvme0n1p3
 259        9    1074218 nvme0n1p4
   8        0 1953514584 sda
   8        1      16367 sda1
   8        2 1953490944 sda2
   8       16 1953514584 sdb
   8       17      16367 sdb1
   8       18 1953490944 sdb2
   8       32   15155200 sdc
   8       33   15153106 sdc1
   8       34        512 sdc2

Output of mdadm --detail-platform:
       Platform : Intel(R) Virtual RAID on CPU
        Version : 6.2.0.1034
    RAID Levels : raid0 raid1 raid10 raid5
    Chunk Sizes : 4k 8k 16k 32k 64k 128k
    2TB volumes : supported
      2TB disks : supported
      Max Disks : 8
    Max Volumes : 2 per array, 8 per controller
 I/O Controller : /sys/devices/pci0000:00/0000:00:17.0 (SATA)
          Port1 : /dev/sdb (31FZU7ZGS)
          Port0 : /dev/sda (31FZU73GS)
          Port2 : - no device attached -
          Port3 : - no device attached -
          Port4 : - no device attached -
          Port5 : - no device attached -
          Port6 : - no device attached -
          Port7 : - no device attached -

       Platform : Intel(R) Virtual RAID on CPU
        Version : 6.2.0.1034
    RAID Levels : raid0 raid1 raid10
    Chunk Sizes : 4k 8k 16k 32k 64k 128k
    2TB volumes : supported
      2TB disks : supported
      Max Disks : 48
    Max Volumes : 2 per array, 24 per controller
 3rd party NVMe : supported
 I/O Controller : /sys/devices/pci0000:b2/0000:b2:05.5 (VMD)
 NVMe under VMD : /dev/nvme0n1 (CDA4N729010304O53)
 NVMe under VMD : /dev/nvme1n1 (CDA4N729010304O54)

after calling "mdadm -A /dev/md/md0 -e imsm /dev/nvme0n1 /dev/nvme1n1"

and "mdadm --manage /dev/md/md0 --run"

fai sees the raid in /proc/partitions:

major minor  #blocks  name

 259        0  500107608 nvme1n1
 259       18     512000 nvme1n1p1
 259       19     131072 nvme1n1p2
 259       20  371093750 nvme1n1p3
 259       21    1074218 nvme1n1p4
 259        5  500107608 nvme0n1
 259       22     512000 nvme0n1p1
 259       23     131072 nvme0n1p2
 259       24  371093750 nvme0n1p3
 259       25    1074218 nvme0n1p4
   8        0 1953514584 sda
   8        1      16367 sda1
   8        2 1953490944 sda2
   8       16 1953514584 sdb
   8       17      16367 sdb1
   8       18 1953490944 sdb2
   8       32   15155200 sdc
   8       33   15153106 sdc1
   8       34        512 sdc2
   9      126  475087872 md126
 259        1     512000 md126p1
 259        2     131072 md126p2
 259        3  371093750 md126p3
 259        4    1074218 md126p4


Thanks in advance


Sven



--
Sven Schumacher                       Tel: (0511)762-2753
Leibniz Universitaet Hannover
Fakultät für Maschinenbau, Head of Systemadministration
An der Universität 1 - 30823 Garbsen

Institut für Turbomaschinen und Fluid-Dynamik       - TFD
Institut für Kraftwerkstechnik und Wärmeübertragung - IKW
Institut für Technische Verbrennung                 - ITV

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