AIIM-TR39-1996.pdf
《AIIM-TR39-1996.pdf》由会员分享,可在线阅读,更多相关《AIIM-TR39-1996.pdf(42页珍藏版)》请在三一文库上搜索。
1、AIIN T R I 9 96 lQL2348 O500942 548 AIIM 1996 Errata ANSUAIIM TR39-1996 Guidelines for the Use of Media Error Monitoring and Reporting Techniques for the Verification of Stored Data on Optical Digital Data Disks Page 20 Subclause 7.3.3 Monitoring media error first column, eleventh line: topography,
2、Instead ofcodeword per band of sectors,” read “codeword per band of tracks.” Page 20 Subclause 7.3.3 Monitoring media error second column, third line: topography, Instead of sectors using a 3-D surface plot,” read “of tracks using a 3-D surface plot.” AssIatlon for hiammtlon uni Inuge Yuugmant 1 1 O
3、0 Wayne Avenue Suite 1 1 O 0 Silver Spring, Maryland 20910-5603 Telephone 301-587-8202 1 Copyright AIIM International Provided by IHS under license with AIIM Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 05:10:14 MDTNo reproduction or networking permitted without li
4、cense from IHS -,-,- Approved As Standards Institute (ANSI) Technical Repori January 23, 1996 ASSOCIATION FOR INFORMATION ANO IMAGE 1100 Woyne Avenue Suite 11 O0 Silver Spring, Morylond 20910 AIIM MANAGEMENT INTERNATIONAI 301 587-8202 Copyright AIIM International Provided by IHS under license with A
5、IIM Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 05:10:14 MDTNo reproduction or networking permitted without license from IHS -,-,- AIIM TR39 6 1 6 LRL2348 0500944 310 ANSUAIIM TR39- 1996 O by Association for Information and Image Management International 1 100 Way
6、ne Avenue, Suite 1 100 Silver Spring, MD 20910-5603 Tel: 30 1 /587-8202 Fax: 30 1 /587-27 1 1 ISBN 0-89258-306- 1 Printed in the United States of America Copyright AIIM International Provided by IHS under license with AIIM Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/20
7、07 05:10:14 MDTNo reproduction or networking permitted without license from IHS -,-,- AIIM TR3% 9b LO12348 0500945 257 ANSVAIIM TR39-1996 Technical Report for Information and Image Management - Guidelines for the Use of Media Error Monitoring and Reporting Techniques for the Verification of Stored D
8、ata on Optical Digital Data Disks An ANSI Technical Report prepared by the Association for Information and Image Management International Abstract: This document provides guidelines for the use of ANSVAIIM MS59 (and other similar) media error monitoring and reporting tools. The media error monitorin
9、g procedures addressed in this technical report include the maintenance of information on media errors and data degradation, the use of statistical models and sampling plans, the automation of testing procedures, and the use of generated data in making policy decisions involving data backup and tran
10、sfer. Copyright AIIM International Provided by IHS under license with AIIM Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 05:10:14 MDTNo reproduction or networking permitted without license from IHS -,-,- _ - - ANSVAIIM TR39-1996 Guidelines for the Use of Media Error
11、 Monitoring and Reporting Techniques Contents Foreword . i 1 Scope and purpose 1 2 References 1 3 Definitions 2 4 Abbreviations . 2 5 Media error reporting tools provided by the ANSVAIIM MS59 standard . 2 6 Deciding what to test 5 7 Analyzing the media error reports provided by MS59-compliant optica
12、l disk subsystems or devices, or similar media error reports 8 8 Using error distributions and statistical models to evaluate data integrity 26 Annexes Annex A A summary of the ANSVAIIM MS59 command set 3 1 Annex B The modified Gilbert model 34 Annex C Uniform, random error distributions . 35 Figure
13、s Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 An example of a 5-way interleaved data field format . 4 An example of a BER control chart 8 Sector reallocations . 12 Monitoring bad sector IDS . 13 Monitoring BERS .
14、14 Monitoring the maximum number of bytes in error per codeword per sector . 15 Relative frequency distribution of the maximum number of bytes in error per codeword per sector. . 16 Relative frequency distribution of the number of bytes in error per sector . 17 Maximum number of bytes in error per c
15、odeword per sector per radial area 18 Maximum number of bytes in error per codeword per sector per band of tracks 19 Maximum number of bytes in error per codeword per sector 21 Maximum number of bytes in error per sector . 22 Three-dimensional BER per band of sectors over the disk 23 Contour graph o
16、f frequency distribution of sectors with 1 or more bytes in error 24 Figure 15 Figure 16 Figure 17 Figure B 1 Tables Table Al Table A2 Combined 3-D graphics 25 Comparing burst length profiles 27 Examples of the uniform random error model for predicting the maximum bytes in error per codeword per sec
17、tor distributions . 30 State diagram of the modified Gilbert model. . 34 Media Error Levels 33 Verify Media Error Level 33 Foreword Data and records managers in many organizations are already using optical disk-based information systems for storing and retrieving large sets of valuable information.
18、The optical disk drives that are used by these systems incorporate powerful, but not unlimited, error correction capabilities. If the level of errors in an optical digital data disk sector exceeds the error detection and correction mechanisms implemented in the optical disk drive controller, the sec
19、tor becomes uncorrectable and data loss occurs. ANSVAIIM MS59, Media Error Monitoring and Reporting Techniques for the Verification of Stored Data on Optical Digital Data Disks, provides a comprehensive and standard set of media error monitoring and reporting tools. These tools will enable managers
20、and users of optical disk libraries to verify the integrity of stored data both initially - when data are transferred to the media - and periodically - when monitoring the status of data. The media error information that can be obtained using drives that are fully compliant with the standard include
21、s a list of reallocated sectors warnings about exceeded verify media error levels corrections above media levels the total number of bytes in error, the number of bytes in error per sector, and the maximum number of bytes in error in any sector codeword the corrected or uncorrected sector content er
22、rors encountered when header information such as the sector address, sector marks, and synchronization signals is read the maximum length of contiguous defective bytes addition, the ANSUAIIM MS59 standard provides information about media error levels that are set in the drive and the ability to modi
23、fy these media error levels. The media error monitoring and reporting techniques allow users to obtain media error information whenever required and at different levels of sophistication. i Association for Information and Image Management International AIIM TR37 76 U 1012348 0500746 193 = Copyright
24、AIIM International Provided by IHS under license with AIIM Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/18/2007 05:10:14 MDTNo reproduction or networking permitted without license from IHS -,-,- _ ANSUAIIM TR39-1996 Guidelines for the Use of Media Error Monitoring and Repo
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- AIIM TR39 1996
链接地址:https://www.31doc.com/p-3730566.html