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2. 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 ...

3. Continuous data protection - Wikipedia

   en.wikipedia.org/wiki/Continuous_data_protection

   Continuous data protection differs from RAID, replication, or mirroring in that these technologies only protect one copy of the data (the most recent). If data becomes corrupted in a way that is not immediately detected, these technologies simply protect the corrupted data with no way to restore an uncorrupted version.

4. Glossary of backup terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_backup_terms

   the ability to back up a file while it is in use by another application. See File locking. Remote store. backing up data to an offsite permanent backup facility, either directly from the live data source or else from an intermediate near store device. Restore time. the amount of time required to bring a desired data set back from the backup media.

5. Backup rotation scheme - Wikipedia

   en.wikipedia.org/wiki/Backup_rotation_scheme

   A backup rotation scheme is a system of backing up data to computer media (such as tapes) that minimizes, by re-use, the number of media used.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.

6. Incremental backup - Wikipedia

   en.wikipedia.org/wiki/Incremental_backup

   A synthetic backup is an alternative method of creating full backups. Instead of reading and backing up data directly from the disk, it will synthesize the data from the previous full backup (either a regular full backup for the first backup, or the previous synthetic full backup) and the periodic incremental backups.

7. Backup software - Wikipedia

   en.wikipedia.org/wiki/Backup_software

   Backup solutions generally support differential backups and incremental backups in addition to full backups, so only material that is newer or changed compared to the backed up data is actually backed up. The effect of these is to increase significantly the speed of the backup process over slow networks while decreasing space requirements.