Alert dont submit AI generated answer. 001213425637Stripesetdisk4PP0----------0810191010910111213141150РOPI221Р1----------2316172318 192203212322 232P3Р2------------4524 254526 274285294530 31452P Р163--------67167677167 The following diagram shows a 5-disk RAID 4 array, again with a stripe size of 2 sectors. Sectors in the RAID volume and on individual disks are indicated as above. Stripe diskGiven the following operations on the RAID 4 volume, translate them to the corresponding read or write operations, giving type (read or write), disk number, LBA, and length foreach operation. There are several ways in which (B) and (C) may be performed; for each give the one resulting in the fewest resulting read and write operations.read(LBA = 3,length 12) write(LBA = 3, length = 12) write(LBA = 24, length = 8) Again, please specify an exact sequence of disk read and write operations. Note that this question hasmultiple correct answers, each of which can be expressed multiple ways.

On the RAID 4 Volume to the corresponding read or write operations, we need to consider the layout…

0 0 1 2 1 3 4 2 5 6 3 7 Stripe set disk 0 - - - - - 4 PP - - - - - 0 8 1 0 19 1 0 1 0 9 10 11 12 13 14 1 15 0 OPI Р 1 P 1 - - - - - - - - - - 2 3 1617 2 3 18 19 2 3 2 3 2 20 21 22 23 22 3 P Р 2 - 4 24 - 5 25 - 4 - 5 2627 3 - - - - - 4 - 5 28 29 - - 4 30 - 5 31 - - - - 4 - 5 I - P Р - 6 7 16 7 10 6 7 16 7 16 7

0 0 1 2 1 3 4 2 5 6 3 7 Stripe set disk 0 - - - - - 4 PP - - - - - 0 8 1 0 19 1 0 1 0 9 10 11 12 13 14 1 15 0 OPI Р 1 P 1 - - - - - - - - - - 2 3 1617 2 3 18 19 2 3 2 3 2 20 21 22 23 22 3 P Р 2 - 4 24 - 5 25 - 4 - 5 2627 3 - - - - - 4 - 5 28 29 - - 4 30 - 5 31 - - - - 4 - 5 I - P Р - 6 7 16 7 10 6 7 16 7 16 7

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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Concept explainers

Storage Devices

Storage devices can store digital information/data and applications (in the form of audio, video, image, etc.) to process the result of any computational work. They are a kind of computer hardware that stores information and instruction to be processed. A storage unit is a part of a computer system. Every computer has a storage device. The storage devices work as a memory. They are also known as a storage medium, digital storage, or storage media, which temporarily or permanently store information. They are used either internally or externally in the computer system, server, or any computation device to hold the information. Examples include a pen drive, CD, DVD, floppy disk, memory card and so forth.

Question

Alert dont submit AI generated answer.

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4
PP
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OPI
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-
-
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16
7

The following diagram shows a 5-disk RAID 4 array, again with a stripe size of 2 sectors. Sectors in the RAID volume and on individual disks are indicated as above. Stripe disk
Given the following operations on the RAID 4 volume, translate them to the corresponding read or write operations, giving type (read or write), disk number, LBA, and length for
each operation. There are several ways in which (B) and (C) may be performed; for each give the one resulting in the fewest resulting read and write operations.read(LBA = 3,
length 12) write(LBA = 3, length = 12) write(LBA = 24, length = 8) Again, please specify an exact sequence of disk read and write operations. Note that this question has
multiple correct answers, each of which can be expressed multiple ways.

Branch of computer science concerned with using technology to solve problems that typically require human intelligence.

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