backup rotation

(operating system)

Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.

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Grandfather, Father, Son

References in periodicals archive ?

A common off-site backup rotation cycle is a week, and this should be the minimum--losing a week of data would hurt most organizations, but would not be devastating.

Protect computerized data with off-site backups: steps to safeguard residents' records before an unplanned event threatens them

Rewritable media is best suited for a typical weekly backup rotation cycle.

The SMB users guide to data protection

* backup rotation schedules and archiving procedures, including any backup programs in use at any relevant time.

Digging for e-data: you won't find `electronic evidence' and `e-discovery' in the latest edition of Black's Law Dictionary. Knowing what they are and how to use them may save your client's case, and your practice

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