On 3/9/2011 12:01 PM, Jim Durand wrote:
> What is beneficial about doing full backups weekly versus making only 1
> full backup then incremental going forward?
First, if you use rsync, full backups just compare data and send
differences - and rebuild the tree for the next comparisons.
With tar and smb as the xfer methods, incrementals go by the timestamp
only and won't catch deletions or old files in their new location under
renamed directories so your backup drifts out of sync. With rsync, the
comparison is done against the previous full and the changes become
larger and larger on each run unless you do incremental levels. If you
do incremental levels, the server side work of merging the trees for the
comparison base grows as you add levels.
--
Les Mikesell
[email protected]
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