$ sudo mdadm --detail-platform
       Platform : Intel(R) Rapid Storage Technology
        Version : 10.1.0.1008
    RAID Levels : raid0 raid1 raid5
    Chunk Sizes : 4k 8k 16k 32k 64k 128k
    2TB volumes : supported
      2TB disks : not supported
      Max Disks : 7
    Max Volumes : 2 per array, 4 per controller
 I/O Controller : /sys/devices/pci0000:00/0000:00:1f.2 (SATA)
          Port0 : /dev/sda (W0Q6DV7Z)
          Port3 : - non-disk device (HL-DT-ST DVD+-RW GS30N) -
          Port1 : /dev/sdb (W0Q6CJM1)
          Port2 : - no device attached -
          Port4 : - no device attached -
          Port5 : - no device attached -

$ sudo fdisk -l
Disk /dev/loop0: 298.1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x2bd2c32a

Device       Boot   Start        End    Sectors   Size Id Type
/dev/loop0p1 *       2048    4196351    4194304     2G  7 HPFS/NTFS/exFAT
/dev/loop0p2      4196352 1250273279 1246076928 594.2G  7 HPFS/NTFS/exFAT


Disk /dev/loop1: 298.1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sda: 298.1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x2bd2c32a

Device     Boot   Start        End    Sectors   Size Id Type
/dev/sda1  *       2048    4196351    4194304     2G  7 HPFS/NTFS/exFAT
/dev/sda2       4196352 1250273279 1246076928 594.2G  7 HPFS/NTFS/exFAT


Disk /dev/sdb: 298.1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes

$ sudo mdadm --examine --verbose /dev/sda
/dev/sda:
          Magic : Intel Raid ISM Cfg Sig.
        Version : 1.0.00
    Orig Family : 81bdf089
         Family : 81bdf089
     Generation : 00001796
     Attributes : All supported
           UUID : acf55f6b:49f936c5:787fa66e:620d7df0
       Checksum : 6cf37d06 correct
    MPB Sectors : 1
          Disks : 2
   RAID Devices : 1

[ARRAY]:
           UUID : e4d3f954:2f449bfd:43495615:e040960c
     RAID Level : 0
        Members : 2
          Slots : [_U]
    Failed disk : 0
      This Slot : ?
     Array Size : 1250275328 (596.18 GiB 640.14 GB)
   Per Dev Size : 625137928 (298.09 GiB 320.07 GB)
  Sector Offset : 0
    Num Stripes : 2441944
     Chunk Size : 128 KiB
       Reserved : 0
  Migrate State : idle
      Map State : normal
    Dirty State : clean

  Disk00 Serial : W0Q6DV7Z
          State : active failed
             Id : 00000000
    Usable Size : 625136142 (298.09 GiB 320.07 GB)

  Disk01 Serial : W0Q6CJM1
          State : active
             Id : 00010000
    Usable Size : 625136142 (298.09 GiB 320.07 GB)

$ sudo mdadm --examine --verbose /dev/sdb
/dev/sdb:
          Magic : Intel Raid ISM Cfg Sig.
        Version : 1.0.00
    Orig Family : 81bdf089
         Family : 81bdf089
     Generation : 00001796
     Attributes : All supported
           UUID : acf55f6b:49f936c5:787fa66e:620d7df0
       Checksum : 6cf37d06 correct
    MPB Sectors : 1
          Disks : 2
   RAID Devices : 1

  Disk01 Serial : W0Q6CJM1
          State : active
             Id : 00010000
    Usable Size : 625137928 (298.09 GiB 320.07 GB)

[ARRAY]:
           UUID : e4d3f954:2f449bfd:43495615:e040960c
     RAID Level : 0
        Members : 2
          Slots : [_U]
    Failed disk : 0
      This Slot : 1
     Array Size : 1250275328 (596.18 GiB 640.14 GB)
   Per Dev Size : 625137928 (298.09 GiB 320.07 GB)
  Sector Offset : 0
    Num Stripes : 2441944
     Chunk Size : 128 KiB
       Reserved : 0
  Migrate State : idle
      Map State : normal
    Dirty State : clean

  Disk00 Serial : W0Q6DV7Z
          State : active failed
             Id : 00000000
    Usable Size : 625137928 (298.09 GiB 320.07 GB)

$ sudo mdadm --assemble --verbose /dev/md0 /dev/loop0 /dev/loop1
mdadm: looking for devices for /dev/md0
mdadm: Cannot assemble mbr metadata on /dev/loop0
mdadm: /dev/loop0 has no superblock - assembly aborted

$ sudo mdadm -CR /dev/md/imsm -e imsm -n 2 /dev/loop[01]
mdadm: /dev/loop0 is not attached to Intel(R) RAID controller.
mdadm: /dev/loop0 is not suitable for this array.
mdadm: /dev/loop1 is not attached to Intel(R) RAID controller.
mdadm: /dev/loop1 is not suitable for this array.
mdadm: create aborted

$ sudo IMSM_NO_PLATFORM=1 IMSM_DEVNAME_AS_SERIAL=1 mdadm -CR /dev/md/imsm -e imsm -n 2 /dev/loop[01]
mdadm: /dev/loop0 appears to be part of a raid array:
       level=container devices=0 ctime=Wed Dec 31 19:00:00 1969
mdadm: metadata will over-write last partition on /dev/loop0.
mdadm: /dev/loop1 appears to be part of a raid array:
       level=container devices=0 ctime=Wed Dec 31 19:00:00 1969
mdadm: container /dev/md/imsm prepared.

$ ls -l /dev/md
total 0
lrwxrwxrwx 1 root root 8 Apr  2 05:32 imsm -> ../md126
lrwxrwxrwx 1 root root 8 Apr  2 05:20 imsm0 -> ../md127

$ sudo IMSM_NO_PLATFORM=1 IMSM_DEVNAME_AS_SERIAL=1 mdadm -Ev /dev/md/imsm
/dev/md/imsm:
          Magic : Intel Raid ISM Cfg Sig.
        Version : 1.0.00
    Orig Family : 00000000
         Family : ff3cb556
     Generation : 00000001
     Attributes : All supported
           UUID : 00000000:00000000:00000000:00000000
       Checksum : 7edb0f81 correct
    MPB Sectors : 1
          Disks : 1
   RAID Devices : 0

  Disk00 Serial : /dev/loop0
          State : spare
             Id : 00000000
    Usable Size : 625140238 (298.09 GiB 320.07 GB)

    Disk Serial : /dev/loop1
          State : spare
             Id : 00000000
    Usable Size : 625140238 (298.09 GiB 320.07 GB)

    Disk Serial : /dev/loop0
          State : spare
             Id : 00000000
    Usable Size : 625140238 (298.09 GiB 320.07 GB)

$ sudo IMSM_NO_PLATFORM=1 IMSM_DEVNAME_AS_SERIAL=1 mdadm -I /dev/md/imsm

$ sudo IMSM_NO_PLATFORM=1 IMSM_DEVNAME_AS_SERIAL=1 mdadm -Iv /dev/md/imsm
mdadm: not enough devices to start the container

$ sudo cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md126 : inactive loop1[1](S) loop0[0](S)
      2210 blocks super external:imsm

md127 : inactive sdb[1](S) sda[0](S)
      5413 blocks super external:imsm

unused devices: <none>

Disk /dev/loop0: 298.1 GiB, 320072933376 bytes, 625142448 sectors

Device       Boot   Start        End    Sectors   Size Id Type
/dev/loop0p1 *       2048    4196351    4194304     2G  7 HPFS/NTFS/exFAT
/dev/loop0p2      4196352 1250273279 1246076928 594.2G  7 HPFS/NTFS/exFAT

Disk /dev/loop1: 298.1 GiB, 320072933376 bytes, 625142448 sectors

mdadm --build /dev/md0 --raid-devices=2 --level=0 --chunk=128 /dev/loop0 /dev/loop1
cat /proc/mdstat

ld=$(losetup --show --find --offset=$((4196352*512)) /dev/md0)
echo loop device is $ld
mkdir -p /mnt/dsk
mount -t ntfs -o ro $ld /mnt/dsk