To be on the safe side, stop mdadm after creating client rootfs in the
iSCSI tests 70 and 71 (similar to `create-root.sh` in test 26).
cp -a -t /sysroot /source/*
umount /sysroot
lvm lvchange -a n /dev/dracut/root
+mdadm -W /dev/md0 || :
+mdadm --stop /dev/md0
echo "dracut-root-block-created" | dd oflag=direct of=/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_marker status=none
sync /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_marker
poweroff -f
cp -a -t /sysroot /source/*
umount /sysroot
lvm lvchange -a n /dev/dracut/root
+mdadm -W /dev/md0 || :
+mdadm --stop /dev/md0
echo "dracut-root-block-created" | dd oflag=direct of=/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_marker status=none
sync /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_marker
poweroff -f