Re: [Duplicity-talk] incremental backups question

[Timothee Besset]

Ok .. I have to do a full backup regularly then. That's a bit unfortunate.

thanks :)
TTimo

Kenneth Loafman wrote:
> Timothee Besset wrote:
>   
>> Hello,
>>
>> Does duplicity support rolling incremental backups? I'd like to keep
>> backups for the past few weeks (say a month's worth), but not go beyond
>> that. That's what I call "rolling incremental".
>>
>> I've been using the incremental backup feature in duplicity, but I don't
>> think that will work? Could duplicity either rebuild a full backup at
>> the oldest time allowed when the starting full backup is expired, or do
>> incremental backups in such a way that the full backup is the latest and
>> the incrementals go back in time and can just be deleted?
>>     
>
> As such, duplicity does not do what you want.  A bit of work in a script
> and you could get what you want, I think.  There is no concept of an
> expired backup, but you can get what you need by using --full and --inc
> to specify a full or incremental backup, and by --remove-older-than to
> remove older backups.  Duplicity will keep track of dependencies so that
> it will not remove a full backup as long as an incremental set depends
> on it.
>
> As to deleting incremental sets, there is no reason to keep incremental
> backups between full backups, unless you need the granularity to restore
> a file as it was on a certain date.
>
> ...Ken
>
>
>   
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