Incorrect metadata area header checksum

I could really use some advice here. Is this something to worry about something I can fix?

pvdisplay
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
--- Physical volume ---

  PV Name               /dev/md0
  VG Name               raid_vg
  PV Size               232.88 GB / not usable 0
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              59618
  Free PE               1960
  Allocated PE          57658
  PV UUID               5o1utA-eN0O-yJqx-4N0Q-NrjT-EpRn-dxyAyT

--- NEW Physical volume ---
PV Name /dev/sda1
VG Name

  PV Size               232.88 GB
  Allocatable           NO
  PE Size (KByte)       0
  Total PE              0
  Free PE               0
  Allocated PE          0
  PV UUID               Q2UgM6-QG6D-Lrdi-KnAT-Uw7w-6j75-kAO0l3

Incorrect metadata area header checksum