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BS ISO/IEC 29121:2021

BS ISO/IEC 29121:2021

$167.15

Information technology. Digitally recorded media for information interchange and storage. Data migration method for optical disks for long-term data storage

Published By Publication Date Number of Pages
BSI 2021 36
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This document specifies the data migration method for DVD-R, DVD-RW, DVD-RAM, +R, +RW, CD-R, CD-RW, BD Recordable and BD Rewritable disks for long-term data storage. By applying this document for information storage, digital data can be migrated to a next new disk without loss from the present disk if data errors are completely corrected before and during the migration and provided copying of the data is allowed.

This document specifies:

  • a data migration method for long-term data storage;

  • test methods for measuring maximum data error, including ambient condition, test area, test drive, disk preparation and test execution;

  • an initial performance test and a periodic performance test that check an error rate of data recorded on the disks with categorized maximum data error tables;

  • precautions to reduce the possibility of deterioration in order to assure the integrity of the disks during their use, storage, handling or transportation; and

  • the estimated lifetime of B mig ( B 0,000 1) life to determine the test interval for the periodic performance test.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 General
12 5 Test method for measuring maximum data error
5.1 Maximum data error for each disk
5.2 Ambient condition of maximum data error measurement
13 5.3 Test area and sample disk
5.4 Test drive
5.4.1 General
5.4.2 Test drive check
5.5 Disk preparation
14 5.6 Test execution
6 Test interval for periodic performance test
7 Test result evaluation
7.1 Initial performance test
15 7.2 Periodic performance test
16 8 Prevention of deterioration
17 Annex A (informative) Causes of deterioration for optical disks for long-term data storage
19 Annex B (informative) Recommendations on handling, storage and cleaning conditions for optical disks for long-term data storage
21 Annex C (informative) Relation between BER and PIsum 8
22 Annex D (informative) Guideline for adjustment of the estimated lifetime to higher stress conditions
24 Annex E (normative) Calculation for Bmig life using B50 life and B5 life
26 Annex F (normative) Guidelines for test interval and migration
30 Annex G (informative) Test area and sample disk for periodic performance test
31 Annex H (informative) RSERmax criteria for BD recordable and BD rewritable disks
32 Annex I (informative) Guideline for treatment of defects
33 Bibliography

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BS ISO/IEC 29121:2021
$167.15