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Stochastic and Cost-Benefit Analysis of Two Unit Hot Standby Database System

Volume 13, Number 1, January 2017 - Paper 5 - pp. 63-72
DOI: 10.23940/ijpe.17.01.p5.6372

Amit Manocha1, Gulshan Taneja2 and Sukhvir Singh3

1Department of Mathematics, T.I.T. S., Bhiwani, Haryana, India

2 Department of Mathematics, M.D. University Rohtak, Haryana, India

3Department of Computer Science, N.C.C.E. Panipat, Haryana, India

(Received on October 08, 2016, revised on November 30, 2016)

Abstract:

A discrete state space and continuous time stochastic model for two unit hot standby database system has been developed. The system comprised of one primary unit and single hot standby unit. The primary unit is production unit synchronized with hot standby unit through online transfer of archive redo log files. Different modes of failure of primary database unit are considered. Failure of database unit either primary or standby is dealt by database administrator (DBA). Expressions for various measures of system effectiveness have been obtained by making use of semi-Markov processes and regenerative point technique. Numerical results have been drawn on the basis of data collected. Bounds pertaining the profitability of the system have also been obtained.

 

References: 10

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