'Independent disks' diaporamas de présentation

Digital Forensics

Digital Forensics. Dr. Bhavani Thuraisingham The University of Texas at Dallas Data Acquisition, Processing Crime Scenes and Digital Forensics Analysis September 21, 2012. Chapters 1-3 of Textbook. Chapter 1: Understanding digital forensics

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Objectives Overview

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Delip Rao delip@jhu.edu

Delip Rao delip@jhu.edu. What is the typical size of data you deal with on a daily basis?. Processes 20 Petabytes of raw data a day Works out to 231 TB per second! Numbers from 2008, grows by the day. http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html.

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Objectives Overview

Objectives Overview. See Page 336 for Detailed Objectives. Objectives Overview. See Page 336 for Detailed Objectives. Storage. Page 336. Storage. A storage device is the hardware that records and/or retrieves items to and from storage media. Page 336. Storage. Page 337 Figure 8-1.

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Chapter 4. Partition

Chapter 4. Partition . Ding-Zhu Du. (2) Multi-layer Partition. Intersection Disk Graph. Consider n points in the Euclidean plane, each is associated with a disk. An edge exists between two points if and only if their associated disks have nonempty intersection . .

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Storage

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Lecture 13

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RAID

RAID. REDUNDANT ARRAY OF INEXPENSIVE DISKS. Why RAID?. APPLICABILITY. Large Data Transfers Numerous Small Transfers. RELIABILITY. - MTTF. PERFORMANCE. Data Transfer Rate I/O performance. STORAGE CAPACITY. Parity. 1. 1. | 1. 1 0 0 1 0 1. 0. 0. 1. RAID levels.

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5. Disk, Pages and Buffers Why Not Store Everything in Main Memory? Why use disks at all?

5. Disk, Pages and Buffers Why Not Store Everything in Main Memory? Why use disks at all?. Main memory costs too much. $1000 will buy you either 1 GB of RAM or 1 TGB of disk today (maybe more!) (~1000 as much disk as RAM per dollar) . Main memory is volatile.

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RAID

RAID. Ref: Stallings. Introduction. The rate in improvement in secondary storage performance has been considerably less than the rate for processors and main memory. In the case of disk storage, this leads to the development of arrays of disks that operate independently and in parallel

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Redundant Array of Independent Disks (RAID) Market 2018 – Industry Analysis, Size, Share, Strategies and Forecast to

RBM Research announces that it has published a new study “Global Redundant Array of Independent Disks (RAID)” Market Research Report, Trends and Forecast, 2018-2025.This comprehensive report provides a holistic approach to the market growth with a detailed and precise analysis of the overall competitive scenario of the Redundant Array of Independent Disks (RAID) Market worldwide along with the key trends and latest technologies. This report also displays the Production, Consumption, Revenue, Gross margin, Cost, Gross, Market Share, CAGR, and Market influencing factors of the Redundant Array of Independent Disks (RAID) Market in USA, EU, China, India, Japan and other regions, and forecast to 2025, from 2018.

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