RHEL8: Cannot activate LVs in VG <vg_name> while PVs appear on duplicate devices

Issue

• Cannot activate the volume group.

[root@testbox lvm]# vgchange -ay testvg
  WARNING: Not using device /dev/sde1 for PV pv_uuid.
  WARNING: Not using device /dev/sdf1 for PV pv_uuid.
  WARNING: Not using device /dev/sdg1 for PV pv_uuid.
  Cannot activate LVs in VG testvg while PVs appear on duplicate devices.  <<<<
  0 logical volume(s) in volume group "testvg" now active  <<<<

• Why do I get duplicate PV warnings when I run LVM commands?

• Why we do see seqno conflicts Warnings in pvs ouptut

WARNING: ignoring metadata seqno X on /dev/sdY for seqno Y on /dev/sdZ for VG VG_NAME.
WARNING: Inconsistent metadata found for VG VG_NAME.
See vgck --updatemetadata to correct inconsistency.
WARNING: VG VG_NAME was previously updated while PV /dev/sdY was missing.