Fedora 30, pc wont poweroff

Ask Fedora
11

It’s a raid with mdadm:

$ lsblk
NAME                   MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
[...]
sdb                      8:16   0 931.5G  0 disk  
└─sdb1                   8:17   0 931.5G  0 part  
  └─md0                  9:0    0 931.4G  0 raid1 
    └─vg_raid-lv_data0 253:2    0   500G  0 lvm   
sdc                      8:32   0 931.5G  0 disk  
└─sdc1                   8:33   0 931.5G  0 part  
  └─md0                  9:0    0 931.4G  0 raid1 
    └─vg_raid-lv_data0 253:2    0   500G  0 lvm 

$ sudo mdadm --detail /dev/md0
/dev/md0:
           Version : 1.2
     Creation Time : Mon May 13 22:09:50 2019
        Raid Level : raid1
        Array Size : 976629440 (931.39 GiB 1000.07 GB)
     Used Dev Size : 976629440 (931.39 GiB 1000.07 GB)
      Raid Devices : 2
     Total Devices : 2
       Persistence : Superblock is persistent

     Intent Bitmap : Internal

       Update Time : Mon Aug 26 22:58:43 2019
             State : clean 
    Active Devices : 2
   Working Devices : 2
    Failed Devices : 0
     Spare Devices : 0

Consistency Policy : bitmap

              Name : toaster-tonedomain:0  (local to host toaster-tonedomain)
              UUID : 4709cbb9:aecaa9e2:f5889d7f:c6207b4f
            Events : 2960

    Number   Major   Minor   RaidDevice State
       0       8       17        0      active sync   /dev/sdb1
       1       8       33        1      active sync   /dev/sdc1

It was created like this:

sudo mdadm --create /dev/md0 --level=mirror --raid-devices=2 /dev/sd[bc]1

Then I created pv, vg amd lv upon it:

sudo pvcreate /dev/md0
sudo pvdisplay
sudo vgcreate vg_raid /dev/md0
sudo vgdisplay
sudo lvcreate -L 500G vg_raid -n lv_data0
sudo lvdysplay
sudo mkfs.xfs /dev/vg_raid/lv_data0

I note now that when I use pvs, vgs and lvs commands, I cannot display raid vg and lv infos:

# pvs --all
  PV                    VG     Fmt  Attr PSize   PFree
  /dev/fedora/home                  ---       0     0 
  /dev/fedora/root                  ---       0     0 
  /dev/fedora/swap                  ---       0     0 
  /dev/md0                          ---       0     0 
  /dev/sda1             fedora lvm2 a--  231.88g    0 
  /dev/sda2                         ---       0     0 
  /dev/vg_raid/lv_data0             ---       0     0 
# vgs --all
  VG     #PV #LV #SN Attr   VSize   VFree
  fedora   1   3   0 wz--n- 231.88g    0 
# lvs --all
  LV   VG     Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  home fedora -wi-ao---- 154.05g                                                    
  root fedora -wi-ao----  70.00g                                                    
  swap fedora -wi-ao----  <7.83g