Distributed Storage Networks and Computer Forensics 1. - - PowerPoint PPT Presentation
Distributed Storage Networks and Computer Forensics 1. Organization & Overview Christian Schindelhauer Amir Alsbih University of Freiburg Technical Faculty Computer Networks and Telematics Winter Semester 2011/12 Organization
University of Freiburg Technical Faculty Computer Networks and Telematics Winter Semester 2011/12
Christian Schindelhauer Amir Alsbih
Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
cone_teach_current/dsacfws11
viewforum.php?f=6
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
exercises
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
Overview
systems
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Flash vs. hard drives: The battle intensifies Tom Coughlin, Jim Handy, Solid State Technology 2010
Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Flash vs. hard drives: The battle intensifies Tom Coughlin,Jim Handy, Solid State Technology 2010
Figure 1 Hard disk drive areal density trend
AFC=ANTIFERROMAGNETICALLY COUPLED GMR=GIANT MAGNETORESISTIVE RANGE OF POSSIBLE VALUES AREAL DENSITY MEGABITS/SQUARE INCH 105 104 103 102 10 1 10–1 10–2 10–3 106 1970 1960 1980 1990 2000 2010 PRODUCTION YEAR IBM RAMAC™ (FIRST HARD DISK DRIVE) ~35 MILLION X INCREASE 1st THIN FILM HEAD 25% CGR 60% CGR 100% CGR 1st MR HEAD 1st GMR HEAD 1st AFC MEDIA IBM DISK DRIVE PRODUCTS INDUSTRY LAB DEMOS
Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Technological impact of magnetic hard disk drives on storage systems, Grochowski, R. D. Halem IBM SYSTEMS JOURNAL, VOL 42, NO 2, 2003
Flash vs. hard drives: The battle intensifies Tom Coughlin,Jim Handy, Solid State Technology 2010
Figure 2 Storage floor space utilization trend — IBM storage systems
RAW CAPACITY PER FLOOR SPACE AREA, GBYTES/SQUARE FOOT 103 102 101 100 10–1 10–2 10–3 10–4 104 1970 1960 1980 1990 2000 2010 PRODUCTION YEAR IBM RAMAC (FIRST HARD DISK DRIVE) ESS MOD F 3380 RAMAC 2 IBM ESS MOD 800 25% CGR 60% CGR RANGE OF POSSIBLE VALUES ESS=IBM TOTALSTORAGE™ ENTERPRISE STORAGE SERVER™
Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Technological impact of magnetic hard disk drives on storage systems, Grochowski, R. D. Halem IBM SYSTEMS JOURNAL, VOL 42, NO 2, 2003
Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Technological impact of magnetic hard disk drives on storage systems, Grochowski, R. D. Halem IBM SYSTEMS JOURNAL, VOL 42, NO 2, 2003
24-INCH FORM FACTOR 5 MB (NOT SHOWN) 10.8-INCH FORM FACTOR 5.7 GB 14-INCH FORM FACTOR 3.8 GB 1.0-INCH FORM FACTOR 1 GB 8-INCH FORM FACTOR 65 MB 2.5-INCH FORM FACTOR 60 GB 3.25-INCH FORM FACTOR 84-MM DISKS/10000 RPM 146 GB 70-MM DISKS/15000 RPM 36 GB 3.25-INCH FORM FACTOR 120 GB
Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Technological impact of magnetic hard disk drives on storage systems, Grochowski, R. D. Halem IBM SYSTEMS JOURNAL, VOL 42, NO 2, 2003
TIME, MILLISECONDS 10 1 100 1970 1975 1980 1985 1990 1995 2000 2005 AVAILABILITY YEAR SEEKING ACCESSING ULTRASTAR XP ULTRASTAR 2XP ULTRASTAR 18XP ULTRASTAR 9ZX ULTRASTAR 36XP ULTRASTAR 18ZX ULTRASTAR 36ZX ULTRASTAR 73LZX ULTRASTAR 36LZX ULTRASTAR 36Z15 SEEK TIME ~ (ACTUATOR INERTIALPOWER)1/3 x (DATA BAND)2/3 ROTATIONAL TIME (LATENCY) ~ (RPM)-1 ACCESS TIME = SEEK TIME + LATENCY ~ ~
Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
Characteristics of Storage
read
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
Read-Only Memory) 1980-today
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Distributed Storage Networks and Computer Forensics Winter 2011/12 Computer Networks and Telematics University of Freiburg Christian Schindelhauer
capacity with access on block-addressing level
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University of Freiburg Technical Faculty Computer Networks and Telematics Winter Semester 2011/12
Christian Schindelhauer Amir Alsbih