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Request Error

507 Insufficient Storage

HTTP Status CodesServer (5xx)rarerStatus Code: 507Last updated: todayTested on:Google ChromeNode.js v20 LTSJune 2026

The server is unable to store the representation needed to complete the request.

❌ 507 Insufficient Storage Quick Fix⏱️ Est. Fix Time: 3 minutes

Usually happens because:

  • ☑ Server hard drive partition running
  • ☑ Uploading large files that exceed

🔍 Quick Checklist:

Meaning

The HTTP 507 Insufficient Storage WebDAV status code indicates that the server is unable to store the representation needed to complete the request (e.g., when the server disk space is full).

Root Causes

  • Server hard drive partition running out of disk space (0 bytes free).
  • Uploading large files that exceed user quota allocations inside storage buckets.
CauseFrequency
Server hard drive partition running⭐⭐⭐⭐⭐
Uploading large files that exceed⭐⭐⭐⭐

Common Mistakes

  • Confusing 507 with 413 Content Too Large (use 413 when the *client request* exceeds size limits; use 507 when the *server disk* is full).

How to Fix

1Clean up temporary files, logs, and docker image volumes.
2Upgrade server hard drive disk storage partitions.
3Set alert monitors for disk usage thresholds (e.g. using Prometheus/Grafana).

Framework-Specific Examples

Express router checking disk space before saving files.

Express Example
const fs = require('fs');
app.post('/upload', (req, res) => {
  // Check disk space; if full, return 507
  res.status(507).send('Insufficient disk storage.');
});

Server Configuration Examples

Nginx WebDAV file upload setups.

Nginx Config
# WebDAV disk checks

Prevention

  • Setup automated cron scripts to delete logs files older than 14 days.
  • Move file uploads to cloud object storage (AWS S3, Google Cloud Storage) instead of local server disks.

Frequently Asked Questions (FAQ)

Q: What is the origin of 507 Insufficient Storage?

It was defined in the WebDAV specification (RFC 4918) to handle filesystem space limits during remote authoring upload commands.

Q: What is the difference between 413 and 507?

Use 413 Content Too Large when the client tries to upload a file larger than allowed by configuration. Use 507 when the upload is allowed but the server's hard drive has run out of space.

Q: Is 507 Insufficient Storage cacheable?

No. 507 responses are never cached.

Q: How do I monitor disk space to prevent 507?

Configure server monitoring tools (e.g. Datadog, Prometheus node-exporter) to send Slack or email alerts when disk usage exceeds 85%.

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