🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026
Affected versions: CentOS Stream 10

📖 ~1 min read

Table of contents
  1. Symptom & Impact
  2. Environment & Reproduction
  3. Root Cause Analysis
  4. Quick Triage
  5. Step-by-Step Diagnosis
  6. Solution – Primary Fix
  7. Solution – Alternative Approaches
  8. Verification & Acceptance Criteria
  9. Rollback Plan
  10. Prevention & Hardening
  11. Related Errors & Cross-Refs
  12. References & Further Reading

Symptom & Impact

vgs reports the VG missing and mounts that depend on it fail.

Environment & Reproduction

Common after disk replacement or controller renaming.

lsblk
vgs

Root Cause Analysis

PV UUID changed or the device path is unknown to lvm.

Quick Triage

Scan for PVs and inspect the LVM cache.

pvscan --cache
pvs

Step-by-Step Diagnosis

Look for missing PVs and degraded VGs.

vgdisplay -v | head -60
cat /etc/lvm/backup/*
Illustrative mockup for centos-stream-10 — lvm_vg_missing
VG missing in vgs — Illustrative mockup — Progressive Robot

Solution – Primary Fix

Re-import the VG and reactivate logical volumes.

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vgscan
vgchange -ay
Illustrative mockup for centos-stream-10 — lvm_vg_active
VG re-activated — Illustrative mockup — Progressive Robot

Solution – Alternative Approaches

Restore from /etc/lvm/backup if metadata is damaged.

vgcfgrestore -f /etc/lvm/backup/vg_data vg_data

Verification & Acceptance Criteria

All LVs activate and filesystems mount.

lvs
mount -a

Rollback Plan

Deactivate the VG and revert any imports.

vgchange -an vg_data

Prevention & Hardening

Maintain /etc/lvm/backup and snapshot before disk swaps.

vgcfgbackup vg_data

VG not found, PV missing, mount fails at boot.

Related tutorial: View the step-by-step tutorial for centos-stream-10.

View all centos-stream-10 tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

References & Further Reading

LVM admin guide, vgcfgrestore docs.

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