Description of problem:
Boot server install DVD

Version-Release number of selected component:
anaconda-22.20.8-1

The following was filed automatically by anaconda:
anaconda 22.20.8-1 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1593, in handleUdevMDMemberFormat
    md_info = blockdev.md_examine(device.path)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1877, in handleUdevDeviceFormat
    self.handleUdevMDMemberFormat(info, device)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1260, in addUdevDevice
    self.handleUdevDeviceFormat(info, device)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 2177, in _populate
    self.addUdevDevice(dev)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 2111, in populate
    self._populate()
  File "/usr/lib/python2.7/site-packages/blivet/blivet.py", line 277, in reset
    self.devicetree.populate(cleanupOnly=cleanupOnly)
  File "/usr/lib/python2.7/site-packages/blivet/osinstall.py", line 1117, in storageInitialize
    storage.reset()
  File "/usr/lib64/python2.7/threading.py", line 766, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/threads.py", line 244, in run
    threading.Thread.run(self, *args, **kwargs)
Error: g-bd-md-error-quark: malformed or invalid UUID: (null) (1)

Additional info:
addons:         com_redhat_kdump
cmdline:        /usr/bin/python2  /sbin/anaconda
cmdline_file:   BOOT_IMAGE=vmlinuz initrd=initrd.img inst.stage2=hd:LABEL=Fedora-22_B_T7-x86_64 quiet
dnf.rpm.log:    Apr 06 16:14:10 INFO --- logging initialized ---
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         4.0.0-0.rc5.git4.1.fc22.x86_64
product:        Fedora
release:        Cannot get release name.
type:           anaconda
version:        22