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2. Glossary of backup terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_backup_terms

   the amount of time in which a given set of data will remain available for restore. Some backup products rely on daily copies of data and measure retention in terms of days. Others retain a number of copies of data changes regardless of the amount of time. Site-to-site backup. backup, over the internet, to an offsite location under the user's ...

3. Data retention - Wikipedia

   en.wikipedia.org/wiki/Data_retention

   The different data retention policies weigh legal and privacy concerns economics and need-to-know concerns to determine the retention time, archival rules, data formats, and the permissible means of storage, access, and encryption. [1]

4. Backup rotation scheme - Wikipedia

   en.wikipedia.org/wiki/Backup_rotation_scheme

   The scheme determines how and when each piece of removable storage is used for a backup job and how long it is retained once it has backup data stored on it. Different techniques have evolved over time to balance data retention and restoration needs with the cost of extra data storage media. Such a scheme can be quite complicated if it takes ...

5. Backup - Wikipedia

   en.wikipedia.org/wiki/Backup

   The backup data needs to be stored, requiring a backup rotation scheme, [4] which is a system of backing up data to computer media that limits the number of backups of different dates retained separately, by appropriate re-use of the data storage media by overwriting of backups no longer needed. The scheme determines how and when each piece of ...

6. Retention period - Wikipedia

   en.wikipedia.org/wiki/Retention_period

   A retention period (associated with a retention schedule or retention program) is an aspect of records and information management (RIM) and the records life cycle that identifies the duration of time for which the information should be maintained or "retained", irrespective of format (paper, electronic, or other). Retention periods vary with ...

7. Digital permanence - Wikipedia

   en.wikipedia.org/wiki/Digital_permanence

   At present, a growing problem is the time taken to reproduce an archive, for instance following a hardware or system upgrade. Since the sheer volume of archive data continues to grow, new hardware is always required to maintain the archive and so regular migration of data to a new system must be performed on a regular basis.