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Storage limits are easy to understand — inode limits are not, and they can catch site owners by surprise.
What Is an Inode?
An inode is a record the server keeps for every single file and folder on your account — not the amount of space they take up, but the count of items itself. A single small email or a tiny cache file uses one inode, same as a large video file.
What Uses Up Inodes Fast
The usual culprits are large numbers of cached files, email accounts with thousands of stored messages, and CMS platforms like WordPress that generate lots of small cache and log files over time.
How to Check Your Usage
Your Plesk dashboard shows your current inode usage under account statistics, alongside disk space and bandwidth.
How to Reduce Inode Usage
Clear old cache files, empty your email trash regularly, remove unused plugins and their leftover files, and delete old backups you no longer need stored on the server itself.
