grandfather-father-son

grandfather-father-son

A method for storing previous generations of master file data that are continuously updated. The son is the current file, the father is a copy of the file from the previous cycle, and the grandfather is a copy of the file from the cycle before that one.
References in periodicals archive ?
1 TB of primary storage can require 26 TB of tape capacity over its lifecycle when following a standard grandfather-father-son (GFS) operation, according to Michael Peterson of Strategic Research Corp.
The final story, "Il ciliegio" (The Cherry Tree), again deals with a grandfather-father-son relationship, but in this case the relations are based on positive communication and understanding.
And, with the low cost of LTO 1 media, users are assured of the lowest total cost of ownership of any tape drive/media combination within the first year of usage when using a typical grandfather-father-son backup scheme.
For example, the commonly used grandfather-father-son strategy requires a minimum of 9 tapes that must be used in a precise order.
For example, with the commonly used grandfather-father-son strategy, two weeks of daily backups may be done with 8 son tapes.