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Reliability Measures of a Computer System with Priority for Repair and Hardware Redundancy

by V.J. Munday, S.C. Malik
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 125 - Number 8
Year of Publication: 2015
Authors: V.J. Munday, S.C. Malik
10.5120/ijca2015906125

V.J. Munday, S.C. Malik . Reliability Measures of a Computer System with Priority for Repair and Hardware Redundancy. International Journal of Computer Applications. 125, 8 ( September 2015), 32-37. DOI=10.5120/ijca2015906125

@article{ 10.5120/ijca2015906125,
author = { V.J. Munday, S.C. Malik },
title = { Reliability Measures of a Computer System with Priority for Repair and Hardware Redundancy },
journal = { International Journal of Computer Applications },
issue_date = { September 2015 },
volume = { 125 },
number = { 8 },
month = { September },
year = { 2015 },
issn = { 0975-8887 },
pages = { 32-37 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume125/number8/22454-2015906125/ },
doi = { 10.5120/ijca2015906125 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:15:30.924657+05:30
%A V.J. Munday
%A S.C. Malik
%T Reliability Measures of a Computer System with Priority for Repair and Hardware Redundancy
%J International Journal of Computer Applications
%@ 0975-8887
%V 125
%N 8
%P 32-37
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper concentrates on the evaluation of reliability measures of a computer system by introducing the concept of priority of hardware repair over software up-gradation. The system operates with one more hardware in cold standby. The failure times of hardware and software are independent random variables which follow negative exponential distribution. The repair facility (called server) attends the faults immediately which occur during operation of the system. Repair of the hardware is done at failure while software undergoes for up-gradation. The distributions of hardware repair and software up-gradation times are taken as arbitrary with different probability density functions. The system model has been analyzed using semi-Markov process and regenerative point technique. The trends of some important measures of system effectiveness have been observed for arbitrary values of the parameters. The profit of the present model has also been compared with that of the system model in which no priority is given to hardware repair.

References
  1. Anand, Jyoti and Malik, S.C. (2012): Analysis of a Computer System with Arbitrary Distributions for H/W and S/W Replacement Time and Priority to Repair Activities of H/W over Replacement of the S/W, International Journal of Systems Assurance Engineering and Management, Vol.3 (3), pp. 230-236.
  2. Kumar, Ashish; Anand, Jyoti and Malik, S.C. (2013): Stochastic Modeling of a Computer System with Priority to Up-gradation of Software over Hardware Repair Activities. International Journal of Agricultural and Statistical Sciences, Vol. 9(1), pp. 117-126.
  3. Malik, S.C. and Anand, Jyoti (2010): Reliability and economic analysis of a computer system with independent hardware and software failures. Bulletin of Pure and Applied Sciences, Vol. 29 E (01), pp.141-153.
  4. Malik, S.C. and Munday, V.J. (2014): Stochastic Modeling of a Computer System with Hardware Redundancy, International Journal of Computer applications, Vol. 89 (7), pp. 26-30.
  5. Malik, S.C. (2013): Reliability Modeling of a computer System with Preventive Maintenance and Priority Subject to Maximum Operation and Repair Times. International Journal of System Assurance Engineering and Management, Vol. 4 (1), pp. 94-100.
  6. Welke, S. R., Labib, S. W. and Ahmed, A. M. (1995): Reliability Modeling of Hardware/ Software System, IEEE Transactions on Reliability, Vol.44, No.3, pp.413-418.
Index Terms

Computer Science
Information Sciences

Keywords

Computer System Hardware Redundancy Priority to Repair Software Up-gradation Hardware Repair and Reliability Measures

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