PPT-Disk storage

Index structures for files Lecture 12 Disk Storage Devices Basic unit of data stored in disks is a single bit to represent data in 01 form Bits are grouped into Byte The capacity of disk the amount of bytes it can store. June 2015. 1. As organizations grow the amount of data storage capacity required to support it grows as well. Increased data retention requirements. Increased headcount. New applications. Adding on to an existing storage network should have minimal impact on the end user. Presentation by:. Andrew Baker. Dan Dunning. Sean Young. Understanding Storage. A storage device is any type of equipment used for storing information.. The earliest form of storage is paints and brushes.. Hard disks. Magnetic disks. Magnetic disks provide bulk of secondary storage of modern computers. Drives rotate at 60 to 200 times per second. Transfer rate. is rate at which data flow between drive and computer. Denny Cherry. mrdenny@mrdenny.com. twitter.com/. mrdenny. About Me. Author or Coauthor of 4 books. 6+ SQL Mag articles. Dozens of other articles. Microsoft MVP since Oct 2008. Microsoft Certified Master. HTM304. William Sullivan. Victor Cortez. Wendi Jardin. Jonathan Thompson. Storage. Purpose:. Without storage a computer can only function as a digital signal processing device (e.g. calculator, media player).. Josh Adams. Senior Program Manager. Microsoft EC CAT Team. CDP-B361. Session Objectives And Takeaways. Session Objectives . Understand the Spaces-based SDS value proposition and architecture. Showcase the proper design workflow. Term. Abbreviation. Approximate Memory Size. Kilobyte. KB or K. =1000 bytes (actual size is 1024 bytes). Megabyte. MB. =1 million bytes. Gigabyte. GB. =1 billion bytes. Terabyte. TB. =1 trillion bytes. List Capacities. Describe Hard Disk Characteristics. Explain Cloud Storage Advantages. Differentiate Between CDs & DVDs. Explain Miniature Storage Use. Identify the Uses for Tape. Storage. Holds Data, Instructions, & Information. 2. . Hard drives store data optically, with lasers.. 3. . CDs store data on a single, spiral track.. 4. . Disk caching can improve performance.. 5. . Smart cards are usually used to transport large amounts of data from one PC to another.. ?. Holds. data, instructions, and information for future use.. A . storage medium . is the physical. material on which data is stored.. Examples. : DVD, CD, flash-drive, and floppy disk.. Storage. Capacity. Objectives. Skills/Concepts. Objective Domain Description. Objective Domain Number. Identifying Storage Technologies. Identify storage technologies. 4.1. Introducing. Redundant Arrays of Independent Disks. 16.1 Introduction. Databases typically stored on magnetic disks. Accessed using physical database file structures. Storage hierarchy. Primary storage. CPU main memory, cache memory. Secondary storage. Ondrej . Žilinec. GOPAS: . info@gopas,sk. . |. www.gopas.sk. . |. www.facebook.com/GOPASSR. Obsah. Novodobé trendy. Storage Spaces. SMB 3.0. SMB Direct. Scale-out file server. ReFS. Online backup. Chapter 11: Mass-Storage Systems. Overview of Mass Storage Structure. HDD Scheduling. NVM Scheduling. Error Detection and Correction. Storage Device Management. Swap-Space Management. Storage Attachment.