SystemTap Script Tutorials: Episode 2 - Investigating File and Disk Access

A configuration file changed, a disk partition was overwritten, or a shared data file was erased. You have no idea why it happened. Maybe a file was deleted or damaged this way once (which might be no big deal), but maybe it is happening again and again because of some errant script or cron job.

The three SystemTap scripts described in this tech brief allow you to probe the kernel t...