Check Status of backups
export FTP_PASSWORD="yourFtpPasswordGoesHere" duplicity collection-status \ ftp://myBackupUser@192.168.1.x/path/to/backup/folder
For a really large networked backup, this may take a while, because it may need to copy the duplicity-full-signatures.xxx.sigtar.gz file to your local cache. For one of my large backups, this file is 35.58 GB in size which takes a while over a network to retrieve. This file contains, signatures of each file that is backed up so that Duplicity can figure out which part of a file has changed. With that information it can upload only the missing part to complete a new backup set. It may be that increasing the volume size will cause there to be less signatures that need to be stored, thus reducing the size of this file.
First published: 16th June 2021