{"id":364193,"date":"2024-10-20T01:49:29","date_gmt":"2024-10-20T01:49:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-iec-291212021\/"},"modified":"2024-10-26T02:53:05","modified_gmt":"2024-10-26T02:53:05","slug":"bs-iso-iec-291212021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-iec-291212021\/","title":{"rendered":"BS ISO\/IEC 29121:2021"},"content":{"rendered":"<p>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.<\/p>\n<p>This document specifies:<\/p>\n<ul>\n<li>\n<p>a data migration method for long-term data storage;<\/p>\n<\/li>\n<li>\n<p>test methods for measuring maximum data error, including ambient condition, test area, test drive, disk preparation and test execution;<\/p>\n<\/li>\n<li>\n<p>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;<\/p>\n<\/li>\n<li>\n<p>precautions to reduce the possibility of deterioration in order to assure the integrity of the disks during their use, storage, handling or transportation; and<\/p>\n<\/li>\n<li>\n<p>the estimated lifetime of <i>B<\/i> <sub>mig<\/sub> ( <i>B<\/i> <sub>0,000&nbsp;1<\/sub>) life to determine the test interval for the periodic performance test.<\/p>\n<\/li>\n<\/ul>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4 General  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5 Test method for measuring maximum data error <br \/> 5.1 Maximum data error for each disk <br \/> 5.2 Ambient condition of maximum data error measurement  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>5.3 Test area and sample disk <br \/> 5.4 Test drive <br \/> 5.4.1 General <br \/> 5.4.2 Test drive check <br \/> 5.5 Disk preparation  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>5.6 Test execution <br \/> 6 Test interval for periodic performance test <br \/> 7 Test result evaluation <br \/> 7.1 Initial performance test  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>7.2 Periodic performance test  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>8 Prevention of deterioration  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Annex A (informative) Causes of deterioration for optical disks for long-term data storage  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Annex B (informative) Recommendations on handling, storage and cleaning conditions for optical disks for long-term data storage  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>Annex C (informative) Relation between BER and PIsum 8  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex D (informative) Guideline for adjustment of the estimated lifetime to higher stress conditions  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Annex E (normative) Calculation for Bmig life using B50 life and B5 life  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Annex F (normative) Guidelines for test interval and migration  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Annex G (informative) Test area and sample disk for periodic performance test  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>Annex H (informative) RSERmax criteria for BD recordable and BD rewritable disks  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>Annex I (informative) Guideline for treatment of defects  <\/td>\n<\/tr>\n<tr>\n<td><b>33<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Information technology. Digitally recorded media for information interchange and storage. Data migration method for optical disks for long-term data storage<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2021<\/td>\n<td>36<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":364199,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[689,2641],"product_tag":[],"class_list":{"0":"post-364193","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-35-220-30","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/364193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/364199"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=364193"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=364193"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=364193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}