PPT-Chapter 21: Controlling Data Storage Space

1 STAT 541 Spring 2012 Imelda Go John Grego Jennifer Lasecki and the University of South Carolina 2 Outline Reducing Data Storage Space Compressing Data Files Using Views to Conserve Data Storage. Storage Capabilities for Everyone. Bryan Matthew. Program Manager. Microsoft Corporation. WSV327. The . Storage and File Systems. (SFS) group builds the platform storage features shipping across all versions of Windows. Redefining Storage. Darren Moss. Senior Program Manager. Microsoft Corporation. WSV315. The . Storage and File Systems. (SFS) group builds the platform storage features shipping across all versions of Windows. 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. ReFS. and Storage Spaces. Rick Claus. Sr. Technical Evangelist. @. RicksterCDN. http://RegularITGuy.com. WSV316. The . Storage and File Systems. (SFS) group builds the platform storage features shipping across all versions of Windows. Lecturer: Dr. Simon Tran. Course: IT 442. Physical Drives. Physical drives are the actual hardware devices that are used to store data.. Win 2012 support 2 different formats:. Standard format: has 512 bytes per physical sector. Towards Efficient Updates and Recovery in Erasure-coded Clustered Storage. Jeremy C. W. . Chan*, . Qian . Ding*, . Patrick P. C. Lee. , Helen H. W. . Chan. The Chinese University of Hong Kong. FAST’14. CS455: Introduction To Distributed Systems. Meghana. . Santhapur. Pratyusha. Reddy . Degapudi. Rasika. . Warade. Department Of Computer Science. WHY IS THIS PROBLEM IMPORTANT ?. Big Data universe beginning to explode. 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. Alhashimi. Storage. Storage . holds data, instructions and information for . future use. .. Storage medium,. also called . secondary storage, . . Is the physical material on which a computer keeps data, instructions and information.. Chapter 6 — Storage and Other I/O Topics — . 2. Introduction. I/O devices can be characterized by. Behaviour: input, output, storage. Partner: human or machine. Data rate: bytes/sec, transfers/sec. Systems and Interface. Chapter 13 Objectives. Appreciate the role of enterprise storage as a distinct architectural entity.. Expand upon basic I/O concepts to include storage protocols.. Understand the interplay between data communications and storage architectures.. Locate and Transfer data. Floppy Disk. Small files to be transported. Secondary Storage. Primary Storage. Hard Disk. CDs and DVDs. Miniature Storage Media. Tape. Items waiting to be interpreted and executed by processor. National Working Group on Postsecondary FacilitiesKreon Cyros (Chair)Peabody, MA Board of Regents, University System of Leslie Christovich National Science Foundation Arlington, VA Montgomery Colleg File Organization. The database is stored as a collection of . files. . Each file is a sequence of . records. . A record is a sequence of fields.. One approach. Assume record size is fixed. Each file has records of one particular type only.