Software RAID10 fejl duplicate PVs

Hej

Håber at nogen kan hjælpe. Mit Software RAID er efter opgradering fra Debian 8 til 9 gået i stykker. Den kan ikke starte det op og komme med den her fejl.
root@HomeServer:~# vgdisplay
  WARNING: Not using lvmetad because duplicate PVs were found.
  WARNING: Use multipath or vgimportclone to resolve duplicate PVs?
  WARNING: After duplicates are resolved, run "pvscan --cache" to enable lvmetad.
  WARNING: PV 9nPKqU-AQ08-d0Tz-8Ld1-Ryxi-bjnB-2TRsgv on /dev/sdc was already found on /dev/sdb.
  WARNING: PV 9nPKqU-AQ08-d0Tz-8Ld1-Ryxi-bjnB-2TRsgv on /dev/md126 was already found on /dev/sdb.
  WARNING: PV 9nPKqU-AQ08-d0Tz-8Ld1-Ryxi-bjnB-2TRsgv prefers device /dev/sdb because device was seen first.
  WARNING: PV 9nPKqU-AQ08-d0Tz-8Ld1-Ryxi-bjnB-2TRsgv prefers device /dev/md126 because device size is correct.
  --- Volume group ---
  VG Name              system21211
  System ID           
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  53
  VG Access            read/write
  VG Status            resizable
  MAX LV                0
  Cur LV                8
  Open LV              0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size              5.46 TiB
  PE Size              4.00 MiB
  Total PE              1430783
  Alloc PE / Size      1331200 / 5.08 TiB
  Free  PE / Size      99583 / 389.00 GiB
  VG UUID              HT1nHy-FBjW-lZSM-yMoh-Wxwz-0OGR-zFCdlZ

Status på RAID er således:

root@HomeServer:~# cat /proc/mdstat
Personalities : [raid10] [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4]
md126 : active raid10 sdb[3] sdc[2] sdd[1] sde[0]
      5860491264 blocks super external:/md127/0 64K chunks 2 near-copies [4/4] [UUUU]
     
md127 : inactive sde[3](S) sdc[2](S) sdd[1](S) sdb[0](S)
      12612 blocks super external:imsm
     
unused devices: <none>
root@HomeServer:~# mdadm --detail /dev/md126
/dev/md126:
      Container : /dev/md/imsm0, member 0
    Raid Level : raid10
    Array Size : 5860491264 (5589.00 GiB 6001.14 GB)
  Used Dev Size : 2930245760 (2794.50 GiB 3000.57 GB)
  Raid Devices : 4
  Total Devices : 4

          State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
  Spare Devices : 0

        Layout : near=2
    Chunk Size : 64K


          UUID : 672b4cb5:5ce8b308:2875b2b8:58889b5d
    Number  Major  Minor  RaidDevice State
      3      8      16        0      active sync set-A  /dev/sdb
      2      8      32        1      active sync set-B  /dev/sdc
      1      8      48        2      active sync set-A  /dev/sdd
      0      8      64        3      active sync set-B  /dev/sde


Nogen der har en ide ?

Thomas