How to online remove Volume Group and Logical Volumes when all the Physical Volumes are lost

Solution Verified - Updated -

Issue

  • Can not remove the PV or VG and LVs.
  • When executing the vgremove or vgreduce --removemissing command, the following error occurs and fails:
  To remove them unconditionally use: vgreduce --removemissing --force.
  WARNING: Proceeding to remove empty missing PVs.
  Aborting vg_write: No metadata areas to write to!
  Failed to write out a consistent VG for <XXXX>
  • The following error message will appear when executing the pvs or other releated commands, and executing pvscan --cache can not clear all:
  WARNING: Device for PV UsDm7C-b0zF-ltc8-9flW-ODNs-Aubf-gIAhh2 not found or rejected by a filter.
  WARNING: Device for PV UsDm7C-b0zF-ltc8-9flW-ODNs-Aubf-gIAhh2 not found or rejected by a filter.
  Error reading device /dev/vgmisstest3/lv9192 at 0 length 512.
  Error reading device /dev/vgmisstest3/lv9192 at 0 length 4.
  Error reading device /dev/vgmisstest3/lv9192 at 4096 length 4.
  WARNING: Device for PV UsDm7C-b0zF-ltc8-9flW-ODNs-Aubf-gIAhh2 not found or rejected by a filter.
  Couldn't find device with uuid UsDm7C-b0zF-ltc8-9flW-ODNs-Aubf-gIAhh2.

Environment

  • Red Hat Enterprise Linux (RHEL) with LVM
  • All other product based on RHEL
  • The driver/LUN is damaged or inaccessible for other reasons
  • ALL PV(Physical Volume) are missing in the VG(Volume Group)
  • The old VG name maybe will be used to create again with new driver/LUN .

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