'Tertiary storage' diaporamas de présentation

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Chapter 13

Chapter 13

Chapter 13. Secondary Storage Management. The Memory Hierarchy Chapter 13.1. The Memory Hierarchy. Computer systems have several different components in which data may be stored. Data capacities & access speeds range over at least seven orders of magnitude

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3.41k views • 330 slides
Chapter 13

Chapter 13

Chapter 13. Secondary Storage Management. The Memory Hierarchy Chapter 13.1. The Memory Hierarchy. Computer systems have several different components in which data may be stored. Data capacities & access speeds range over at least seven orders of magnitude

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3.42k views • 330 slides
Operating Systems CMPSC 473

Operating Systems CMPSC 473

Operating Systems CMPSC 473. I/O Management (1) November 19 2009 - Lecture 21 Instructor: Bhuvan Urgaonkar. File-System Structure. File structure Logical storage unit Collection of related information File system resides on secondary storage (disks) File system organized into layers

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1.6k views • 145 slides
Chapter 11: Storage and File Structure

Chapter 11: Storage and File Structure

Chapter 11: Storage and File Structure. Database System Concepts. Chapter 1: Introduction Part 1: Relational databases Chapter 2: Relational Model Chapter 3: SQL Chapter 4: Advanced SQL Chapter 5: Other Relational Languages Part 2: Database Design

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1.06k views • 86 slides
Chapter 11: Storage and File Structure

Chapter 11: Storage and File Structure

Chapter 11: Storage and File Structure. Database System Concepts. Chapter 1: Introduction Part 1: Relational databases Chapter 2: Relational Model Chapter 3: SQL Chapter 4: Advanced SQL Chapter 5: Other Relational Languages Part 2: Database Design

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965 views • 85 slides
Lecture 11: Storage Organization Reading: Chapter 10

Lecture 11: Storage Organization Reading: Chapter 10

Lecture 11: Storage Organization Reading: Chapter 10. Lecture 11: Storage Organization. Why a Memory Hierarchy? Storage Media Options and Their Characteristics RAID Buffer Management. Classification of Physical Storage Media. Speed with which data can be accessed

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746 views • 74 slides
Chapter 10: Storage and File Structure

Chapter 10: Storage and File Structure

Chapter 10: Storage and File Structure. Database System Concepts. Chapter 1: Introduction Part 1: Relational databases Chapter 2: Introduction to the Relational Model Chapter 3: Introduction to SQL Chapter 4: Intermediate SQL Chapter 5: Advanced SQL

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1.04k views • 67 slides
Chapter 12: Mass-Storage Systems

Chapter 12: Mass-Storage Systems

Chapter 12: Mass-Storage Systems. Chapter 12: Mass-Storage Systems. Overview of Mass Storage Structure Disk Structure Disk Attachment Disk Scheduling Disk Management Swap-Space Management RAID Structure Disk Attachment Stable-Storage Implementation Tertiary Storage Devices

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592 views • 49 slides
Overview of Mass Storage Structure

Overview of Mass Storage Structure

Overview of Mass Storage Structure. Magnetic disks provide bulk of secondary storage Drives rotate at 70 to 250 times per second Ipod disks: 4200 rpm Laptop disks: 4200, 5400 rpm or 7200 rpm Desktop disks: 7200 rpm Server disks: 10000 rpm or 15000 rpm

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254 views • 25 slides
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?

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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247 views • 18 slides
New Computational Resources and Stress Model Validation

New Computational Resources and Stress Model Validation

CCC Report October 15, 2002. New Computational Resources and Stress Model Validation. Seid Koric Engineering Applications Analyst National Center for Supercomputing Applications Mechanical and Industrial Engineering University of Illinois at Urbana-Champaign skoric@ncsa.uiuc.edu.

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313 views • 17 slides
CIS 402: File Management Techniques Chapter 1

CIS 402: File Management Techniques Chapter 1

CIS 402: File Management Techniques Chapter 1. Introduction to the Design and Specification of File Structures. Outline. What are File Structures? Why Study File Structure Design? Overview of File Structure Design. Definitions .

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319 views • 14 slides
Overview of Physical Storage Media

Overview of Physical Storage Media

Overview of Physical Storage Media. Physical Storage Media. Several types of storage medias are exist in computer system. They are classified into different types Accessing speed Cost per unit of data Reliability. Storage Device hierarchy.

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147 views • 13 slides

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