🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026
Affected versions: RHEL 10.0

📖 ~1 min read

Table of contents
  1. Problem Summary
  2. Symptoms
  3. Diagnostics
  4. Root Cause
  5. Primary Fix
  6. Verification
  7. Prevention
  8. Rollback
  9. Automation
  10. Command Reference
  11. Escalation
  12. Related Notes

Problem Summary

System startup hangs waiting for unreachable NFS mount targets.

Symptoms

Boot reaches emergency or waits for remote-fs.target timeouts.

Diagnostics

Inspect /etc/fstab entries and systemd-analyze blame output.

Root Cause

Hard mount options and nofail/_netdev not configured for remote dependency.

Primary Fix

Add _netdev,nofail,x-systemd.automount and tune timeout options.

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Illustrative mockup for rhel-10 — rhel10-b02-p42-1
Illustrative mockup — Progressive Robot — Illustrative mockup — Progressive Robot

Verification

Reboot and confirm fast boot with on-demand NFS automount behavior.

Illustrative mockup for rhel-10 — rhel10-b02-p42-2
Illustrative mockup — Progressive Robot — Illustrative mockup — Progressive Robot

Prevention

Validate remote storage reachability in boot readiness checks.

Rollback

Revert fstab changes and manually mount during maintenance windows.

Automation

Generate fstab from inventory with safe defaults.

Command Reference

systemctl daemon-reload; mount -a; journalctl -b -u remote-fs.target

Escalation

Provide server export settings and network packet captures.

firewalld must allow NFS-related services on both sides.

Related tutorial: View the step-by-step tutorial for rhel-10.

View all rhel-10 tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

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