2. A System the'uses Banker's Deadlock Avoidance algorithm has Six processes P1,P2,P3,P4,P5 and P6and uses resources of four different types A,B,C and D. There are Multiple instances of each resourcetype. Answer the following Questions: .ALLOCTION MATRIXMAX MATRIXABCDAVAILABLEABCDABPO22D9.5.5.P116.341233P242744P33.3.3P42.P51444a. What are the total number of resources in the system?b. Is the state of the system is SAFE? Explain You answer?c. If the system is safe, show how all the process could complete their execution successfully?d. If the system is UNSAFE, show how deadlock might occur?154

Here is the solution: a) Total no of resources: 15, 6, 9, 10 b) Safe sequence c) P1 -> P2 ->…

a. What are the total number of resources in the system? b. Is the state of the system is SAFE? Explain You answer? c. If the system is safe, show how all the process could complete their execution successfully?

a. What are the total number of resources in the system? b. Is the state of the system is SAFE? Explain You answer? c. If the system is safe, show how all the process could complete their execution successfully?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

2. A System the'uses Banker's Deadlock Avoidance algorithm has Six processes P1,P2,P3,P4,P5 and P6
and uses resources of four different types A,B,C and D. There are Multiple instances of each resource
type. Answer the following Questions: .
ALLOCTION MATRIX
MAX MATRIX
A
B
C
D
AVAILABLE
A
B
C
D
A
B
PO
2
2
D
9.
5.
5.
P1
1
6.
3
4
1
2
3
3
P2
4
2
7
4
4
P3
3.
3.
3
P4
2.
P5
1
4
4
4
a. What are the total number of resources in the system?
b. Is the state of the system is SAFE? Explain You answer?
c. If the system is safe, show how all the process could complete their execution successfully?
d. If the system is UNSAFE, show how deadlock might occur?
154

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