scope:

This Ecma Standard specifies the data migration method which can sustain the recorded data on BD recordable and BD rewritable disks for long-term data preservation.

This Ecma Standard includes:

• a data migration method of BD recordable and BD rewritable disks for long-tern data preservation;

• test methods for an initial performance test and a periodic performance test, including ambient condition, test area, test interval, test drive, test preparation, and test execution; and

• test result evaluation in the initial performance test and the periodic performance test.