Larger block size in fixed block size file system - Operating System

Q.  What is the effect of using a larger block size in a fixed block size file system?
- Published on 27 Aug 15

a. It leads to poorer disk throughput and poorer disk space utilization
b. It leads to poorer disk throughput but better disk space utilization
c. It leads to better disk throughput and better disk space utilization
d. It leads to better disk throughput and poorer disk space utilization

ANSWER: It leads to better disk throughput and poorer disk space utilization
 

    Discussion

  • Nirja Shah   -Posted on 18 Nov 15
    - If the size of the block is large then the time to seek is less (fewer blocks to seek) and the performance of the disk is improved.

    - With this we also need to remember that larger the size of the block the more wastage of disk space is caused.

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