DSA Troubleshooting Course

This document serves as a comprehensive student guide for the DSA Troubleshooting Course (Version 1.0, March 1989). It covers the Digital Standard Disk Format (DSDF), drive characteristics (RA60, RA70, RA80, RA81, RA82, RA90), bad block replacement (BBR), and drive error recovery. The manual includes lab exercises for using specialized diagnostic tools like DKUTIL, RAUTIL, and the DSAERR error log formatter to identify and resolve disk-related issues, including circular defects and data path problems. It also provides detailed appendices on conversion formulas and error code decoding for various disk drives.