Abstract

This paper presents the results of an analysis of failures in several releases of Tandem's NonStop-UX operating system. NonStop-UX is based on UNIX System V. The analysis covers software failures from the field and failures reported by Tandem's test center. Faults are classified based on the status of the reported failures, the locations of the code that detected the problems, the panic messages generated by the systems, the faulty source modules, and the types of developer's mistakes. We present distributions of the failure and repair times for unique and duplicate failures. We also discuss how the analysis results can be used for assessing the dependability of the operating system and guiding improvement efforts.

Original languageEnglish (US)
Pages491-496
Number of pages6
StatePublished - Dec 1 1996
EventProceedings of the 1996 15th AIAA/IEEE Digital Avionics Systems Conference - Atlanta, GA, USA
Duration: Oct 27 1996Oct 31 1996

Other

OtherProceedings of the 1996 15th AIAA/IEEE Digital Avionics Systems Conference
CityAtlanta, GA, USA
Period10/27/9610/31/96

Fingerprint

UNIX
Computer operating systems
Failure analysis
Repair
Computer systems

ASJC Scopus subject areas

  • Aerospace Engineering
  • Electrical and Electronic Engineering

Cite this

Iyer, R. K., Hsueh, M. C., & Lee, I. (1996). Fault/failure analysis of the Tandem NonStop-UX operating system. 491-496. Paper presented at Proceedings of the 1996 15th AIAA/IEEE Digital Avionics Systems Conference, Atlanta, GA, USA, .

Fault/failure analysis of the Tandem NonStop-UX operating system. / Iyer, Ravishankar K.; Hsueh, Mei Chen; Lee, Inhwan.

1996. 491-496 Paper presented at Proceedings of the 1996 15th AIAA/IEEE Digital Avionics Systems Conference, Atlanta, GA, USA, .

Research output: Contribution to conferencePaper

Iyer, RK, Hsueh, MC & Lee, I 1996, 'Fault/failure analysis of the Tandem NonStop-UX operating system' Paper presented at Proceedings of the 1996 15th AIAA/IEEE Digital Avionics Systems Conference, Atlanta, GA, USA, 10/27/96 - 10/31/96, pp. 491-496.
Iyer RK, Hsueh MC, Lee I. Fault/failure analysis of the Tandem NonStop-UX operating system. 1996. Paper presented at Proceedings of the 1996 15th AIAA/IEEE Digital Avionics Systems Conference, Atlanta, GA, USA, .
Iyer, Ravishankar K. ; Hsueh, Mei Chen ; Lee, Inhwan. / Fault/failure analysis of the Tandem NonStop-UX operating system. Paper presented at Proceedings of the 1996 15th AIAA/IEEE Digital Avionics Systems Conference, Atlanta, GA, USA, .6 p.
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