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Knowledge Base & Operational DocumentationHow to Investigate a Sudden Increase in Web Server Disk Usage
11/10/2026
A rapid disk increase can come from logs, uploads, temporary files, backups, or a process writing repeated data.
Checks to make
Compare filesystem and inode usage over time, identify the largest paths, and correlate file growth with services and scheduled tasks. Check deleted-but-open files and application logs. Preserve required evidence and do not remove unfamiliar files blindly.
When to get help
Hosting support can trace disk growth and improve capacity alerting. Informatix Systems can assess the symptoms, evidence, and next steps. Contact Informatix Systems to discuss this issue.