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Re: [Duplicity-talk] decryption failure in duplicity replicate

From: zga9uhnq4g
Subject: Re: [Duplicity-talk] decryption failure in duplicity replicate
Date: Wed, 25 Aug 2021 21:18:35 -0700
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0

On 2021-08-25 02:14, edgar.soldin-at-web.de |duplicity-talk| wrote:
On 25.08.2021 10:51, Jeffrey Walton via Duplicity-talk wrote:
On Tue, Aug 24, 2021 at 3:35 AM zga9uhnq4g--- via Duplicity-talk
This may be helpful to use in your script. I use it to trigger a full
backup every three months to help keep backup sets manageable. I think
it would have helped you since you would have a full backup to use
from July 1.

day=$(date +%d)
if [ "${day}" = "01" ];
     month=$(date +%m)
     case ${month} in


if ! duplicity ${full_backup} <other params ...> ;
     echo "Failed to backup"
     exit 1

hey Jeff,

how is that different form duplicity's
--full-if-older-than time
Perform a full backup if an incremental backup is requested, but the latest 
full backup in the collection is older than the given time. See the TIME 
FORMATS section for more information.


Yeah, I added --full-if-older-than time 1M on 2021-02-09, after I realized my backup chain had 57 incremental backup sets, so I do have 6 more recent full backups.  I discovered the problem in the first full backup when I tried to replicate all the backup sets to Google Drive which has more space.  I'm trying to fix it because I'd still like to replicate everything if I can.  I'm only using duplicity to backup "important" stuff offsite (I also use rdiff-backup for onsite backups), so I want to keep a year or two of old backups.

BTW, I'm thinking of changing to --full-if-older-than time 1W once I get the backup replicated to Google Drive or Box so that --remove-older-than will remove more often (it can't remove a full until it can remove all the increments that depend on it) .

    - Peter

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