Backup rotation | Article about backup rotation by The Free Dictionary
backup rotation (operating system)
Any system for re-using backup
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
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.
Rewritable media is best suited for a typical weekly backup rotation
NovaStor Virtual Tape allows the user to manage multiple tape magazines in the virtual library, allowing the user the greater flexibility of a larger backup rotation
scheme without the added cost of the physical media.
The new service represents a state-of-the-art alternative to traditional backup rotation
which uses couriers to transport data back and forth to off-site data storage centers, a method better suited to centralized mainframe computing sites.