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So I ONLY need help with #1, so I was attempting to calculate Trotation & Ttransfer for #1 and NEED to know if I did my calculations correctly..........Trotation: (1/2)*(1/(10000/60))*1000 = 3ms & Ttransfer:

So I ONLY need help with #1, so I was attempting to calculate Trotation & Ttransfer for #1 and NEED to know if I did my calculations correctly..........Trotation: (1/2)*(1/(10000/60))*1000 = 3ms & Ttransfer:

Database System Concepts
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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So I ONLY need help with #1, so I was attempting to calculate Trotation & Ttransfer for #1 and NEED to know if I did my calculations correctly..........Trotation: (1/2)*(1/(10000/60))*1000 = 3ms & Ttransfer: 

Question 1 Question 2 Consider a disk with the following specifications: • Capacity: 4TB RPM: 10000 Average Seek: 6ms Max Transfer: 90MB/s Please compute the following for a transfer of 512 bytes: A. Tseek B. Trotation C. Ttransfer D. Ti/o Consider a disk with the following specifications: Capacity: 8TB RPM: 5400 Average Seek: 5ms Max Transfer: 140MB/s Please compute the following for a transfer of 50MB bytes: A. Tseek B. Trotation C. Ttransfer D. Ti/o Assume a drive has been engineered so that the max transfer rate is exactly the max rate at which the data passes under the heads when reading sequentially. If this drive has the following specifications, what's the max transfer rate (in MB/s)? (show your Question 3 work--I need to be able to figure out how YOU figured it out) Capacity: 10TB Platters: 7 (double sided) RPM: 5400 Tracks/platter side: 1024
Transcribed Image Text:Question 1 Question 2 Consider a disk with the following specifications: • Capacity: 4TB RPM: 10000 Average Seek: 6ms Max Transfer: 90MB/s Please compute the following for a transfer of 512 bytes: A. Tseek B. Trotation C. Ttransfer D. Ti/o Consider a disk with the following specifications: Capacity: 8TB RPM: 5400 Average Seek: 5ms Max Transfer: 140MB/s Please compute the following for a transfer of 50MB bytes: A. Tseek B. Trotation C. Ttransfer D. Ti/o Assume a drive has been engineered so that the max transfer rate is exactly the max rate at which the data passes under the heads when reading sequentially. If this drive has the following specifications, what's the max transfer rate (in MB/s)? (show your Question 3 work--I need to be able to figure out how YOU figured it out) Capacity: 10TB Platters: 7 (double sided) RPM: 5400 Tracks/platter side: 1024
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