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Questions: Disk Full Root - Services Down

  • What is consuming the most space on the root partition?
  • Are old log files, core dumps, or temp files the primary culprit?
  • Is log rotation configured and working correctly?
  • Has a process been writing excessively (application debug logging left on, audit logs, etc.)?
  • Are there deleted files still held open by running processes (showing in lsof)?
  • Is the inode count also exhausted, or just block space?
  • What services need to be restarted after freeing space?
  • Are there old kernel images or package cache files that can be safely cleaned?
  • Could this be caused by a failed log rotation or a misconfigured application?
  • What monitoring and alerting should be improved to catch this earlier?