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2011 Jul 03
1
Brandysnap -- a new rsync-based snapshot management script
...k between brandysnap and cron is very simple: just make sure
brandysnap is run often enough to create the first level of snapshots.
There is no need for separate runs to rotate the snapshot names at the
required intervals.
Defining which snapshots to keep is simple and intuitive. For example
4d7,7w3,4m11,3y
means 'keep 4 snapshots a day for the last 7 days, 7 a week for the 3
weeks before that, then 4 a month for 11 months, then 3 a year forever'.
This example is referred to in the explanations below. Such
specifications can be as simple or as complex as you like.
Brandysnap is f...