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Re: [Duplicity-talk] incremental backups question
From: |
Timothee Besset |
Subject: |
Re: [Duplicity-talk] incremental backups question |
Date: |
Wed, 08 Aug 2007 10:52:30 -0500 |
User-agent: |
Mozilla-Thunderbird 2.0.0.4 (X11/20070621) |
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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