[clug] note on restoring incremental backups using rsync write-batch was Re: rsync question

[Paul Wayper]

On 03/04/16 13:10, Steve Jenkin wrote:
> I want to backup partition images to an external disk, but wish to reduce the space used and only store incrementals.
> 
> The ‘usual way’ this is done, such as with dump, is to create & keep a (full) base-image and store differences from this, as either successive incrementals, where Base + inc[1] +inc[2] … +inc[n] recovers to point-in-time of ‘nth’  backup, or ‘differential’ which is Base + diff[n], trading space and speed.

Or you could use dar, which supports incremental backups, differential
backups, various types of compression, encryption, multiple volume spanning,
instantaneous seek to file, and separate catalogues.

http://dar.linux.free.fr/

Available in most good distros as a package.

HTH,

Paul