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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. 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.

  4. Off-site data protection - Wikipedia

    en.wikipedia.org/wiki/Off-site_data_protection

    In computing, off-site data protection, or vaulting, is the strategy of sending critical data out of the main location (off the main site) as part of a disaster recovery plan. Data is usually transported off-site using removable storage media such as magnetic tape or optical storage .

  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. Continuous data protection - Wikipedia

    en.wikipedia.org/wiki/Continuous_data_protection

    Traditional backups only restore data from the time the backup was made. True continuous data protection, in contrast to "snapshots", has no backup schedules. [5] When data is written to disk, it is also asynchronously written to a second location, either another computer over the network [6] or an appliance. [7]

  7. IT disaster recovery - Wikipedia

    en.wikipedia.org/wiki/IT_disaster_recovery

    RPO measures the maximum time in which recent data might have been permanently lost and not a direct measure of loss quantity. For instance, if the BC plan is to restore up to the last available backup, then the RPO is the interval between such backups. RPO is not determined by the existing backup regime. Instead BIA determines RPO for each ...

  8. 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.

  9. Backup software - Wikipedia

    en.wikipedia.org/wiki/Backup_software

    Backup software are computer programs used to perform a backup; they create supplementary exact copies of files, databases or entire computers. These programs may later use the supplementary copies to restore the original contents in the event of data loss ; [ 1 ] hence, they are very useful to users.

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