What is an inode, and why does it matter?
An inode is a filesystem record for every single file and folder on your account — not just large files, but also cache files, log files, and email messages. Hosting plans cap the total inode count, separate from raw disk space.
Finding what’s using your inodes
In cPanel, go to Files → Disk Usage. This shows usage by folder, including hidden system folders.
Common inode hogs:
- wp-content/cache (caching plugin debris)
- mail/ (large amounts of stored email, especially with attachments)
- wp-content/uploads (thousands of small image thumbnail files)
- Old backup archives left in the account
Fixing the issue
- Clear your caching plugin’s cache folder directly via File Manager if it has grown excessively large.
- Delete old email you no longer need, or archive it locally via an email client, then remove it from the server.
- Remove unused WordPress image sizes/thumbnails using a cleanup plugin, or regenerate only the sizes your theme actually uses.
- Delete old backup files once you’ve confirmed they’re safely stored elsewhere.
If you’re still over the limit
Consider upgrading to a plan with a higher inode allowance, or move to a VPS where limits are far more generous and configurable.