o perform media migration off 
of some types of media onto better supported media based on the estimated lifetime of 
hardware support rather than on the longer life expected from the media. It is important that 
the process include a check that the copying has happened correctly. 
AUDIT AND CERTIFICATION OF TRUSTWORTHY DIGITAL REPOSITORIES 
CCSDS 652.0-M-1 
Page 5-10 
September 2011 
5.1.1.6 The repository shall have identified and documented critical processes that 
affect its ability to comply with its m