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[Wolf Rogner <war@xxxxxx>]

Strange!

I found a workaround which irritates me.

I moved all previous backups to a different location.
Next backup starts with a full backup which -> WORKS

I do a differential backup immediately afterwards -> WORKS

I move the old backups into place again and gain access to my old backup
and the new differentials work.

Unfortunately deja-dup does not make a full backup on demand. One has to
trick it into doing it (or wait for the mechanism to kick in)

Now to the irritation:

Why does the differential work now and did not work before? There is no
indication as to the backup forward-chaining encryption (It uses gpg -
well actually duplicity does). So how can the SHA1 checksums differ?

For this bug: It could be closed as far as I am concerned but the issue
requires further investigation.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to deja-dup in Ubuntu.
https://bugs.launchpad.net/bugs/1424164

Title:
  Deja-dup backup failed with SHA1 mismatch

Status in deja-dup package in Ubuntu:
  New

Bug description:
  Invalid data - SHA1 hash mismatch for file:
   duplicity-inc.20150220T070946Z.to.20150221T110727Z.vol1.difftar.gpg
   Calculated hash: 519a55451ec0543774c06023ed4b6a36e1bf8db8
   Manifest hash: 614f06ba1bfe919a0a7dd8aba8a3ce945b95f4e2

  happens regularly on different machines

  Restore from there impossible even older backups are not accessible

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: deja-dup 32.0-0ubuntu1.1
  ProcVersionSignature: Ubuntu 3.16.0-31.41-generic 3.16.7-ckt5
  Uname: Linux 3.16.0-31-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.14.7-0ubuntu8.2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sat Feb 21 12:26:56 2015
  InstallationDate: Installed on 2013-05-17 (644 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64+mac (20130424)
  SourcePackage: deja-dup
  UpgradeStatus: No upgrade log present (probably fresh install)

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