Re: [Duplicity-talk] --full-if-older-than 26W oddity

[Kenneth Loafman]

Andrew Kohlsmith (lists) wrote:
> On December 11, 2008 10:16:31 am Kenneth Loafman wrote:
>>> duplicity --full-if-older-than 26W --archive-dir
>>> ${ARCHIVEDIR}/root --encrypt-key ${MIXDOWN_KEY} --encrypt-key
>>> ${ANDREW_KEY} --include /etc --include /usr/local/scripts --exclude '**'
>>> / file:///mnt/duplicity/media.mixdown.ca/root
>>>
>>> When I ran the backup last night, it said that the last incremental was
>>> done too long ago (Oct 31 2008) and that it was going to do a full
>>> backup.
>>>
>>> My question is why... The date on the server is correct, the timestamp on
>>> the incremental backups is fine...  Am I specifying "26 weeks"
>>> incorrectly?
>> Was it that your last full was too long ago?  That's what the intent of
>> the --full-if-older-than option means.  When was the last full backup?
> 
> Oct 31 2008 is not more than 26 weeks away from December 10, 2008.  :-)

You are specifying 26 weeks correctly.

If your last *full* backup was on Oct 31 2008, then there is indeed a
problem.  If your last incremental was on Oct 31 2008, then that does
not matter at all.  The only date that matters is the date of the last
full backup.

...Ken

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