deja-dup backup fails with disk full

Bug #1824710 reported by Morpheus on 2019-04-14

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8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Déjà Dup
Undecided
Unassigned
Ubuntu MATE
Undecided
Unassigned

Bug Description

Ubuntu MATE 18.04.2. I use the built in Backup utility to perform a backup of specific folders weekly, and have set to keep for at least 6 months (only 6 months, 1 year or forever are available).

Latest backup failed with a low disk space error.

The scheduling page of the gui states that "old backups will be deleted earlier if the storage location is low on space".

I have checked status using the command line:

duplicity collection-status file:///media/backup/dejadup/

Which returns:

Last full backup date: Fri Jan 11 20:43:45 2019
Collection Status
-----------------
Connecting with backend: BackendWrapper
Archive directory: /home/morpheus/.cache/duplicity/2f3a21168822cf5d92412c2c772aee6e

Found 0 secondary backup chains.

Found primary backup chain with matching signature chain:
-------------------------
Chain start time: Fri Jan 11 20:43:45 2019
Chain end time: Sat Apr 6 20:46:12 2019
Number of contained backup sets: 16
Total number of contained volumes: 7416
 Type of backup set: Time: Number of volumes:
                Full Fri Jan 11 20:43:45 2019 8
         Incremental Tue Jan 29 21:23:54 2019 7070
         Incremental Thu Jan 31 01:18:47 2019 1
         Incremental Sat Feb 9 11:57:00 2019 1
         Incremental Sun Feb 10 15:28:16 2019 243
         Incremental Fri Feb 15 09:49:10 2019 19
         Incremental Sun Feb 17 19:32:30 2019 1
         Incremental Mon Feb 18 20:37:11 2019 1
         Incremental Wed Feb 20 19:26:26 2019 1
         Incremental Thu Feb 21 19:30:58 2019 1
         Incremental Thu Feb 28 20:55:10 2019 59
         Incremental Thu Mar 7 19:13:06 2019 7
         Incremental Sat Mar 16 17:04:53 2019 1
         Incremental Sat Mar 23 15:35:16 2019 1
         Incremental Thu Mar 28 18:26:59 2019 1
         Incremental Sat Apr 6 20:46:12 2019 1
-------------------------
No orphaned or incomplete backup sets found.

My bug report is that Backups are no longer working, old backups are not deleted when the storage location is low on space.

Norbert (nrbrtx) on 2019-06-01
Changed in ubuntu-mate:
status: New → Invalid
Morpheus (thehatterman) wrote :

Im a bug replrting noob. Why is this invalid ?

Michael Terry (mterry) wrote :

It's invalid (closed) for MATE (not really MATE's issue), but not necessarily invalid for Deja Dup.

Looks like you mostly have incremental backups there. Deja Dup will make a new full backup every 3 months. And incremental backups in between the full ones.

It always wants two full backup chains (full + following incrementals) around, for safety. But any extra, it will delete as needed.

You may just not have enough space on your drive for a full two chains?

Changed in deja-dup:
status: New → Incomplete
Download full text (3.9 KiB)

Understood. Agreed I dont have enough space. Deja Dup says it will delete
backups as needed, but it turns out this will only happen if 2 full backups
exist. I guess this is a catch 22 which leaves me with no future backups,
ever. In reality off course I just backup manually, but a shame Deja Dup is
rendered useless if you dont have space for 2 full backups.

Thanks for the feedback, it has been very helpful.

On Tue, 25 Jun 2019 02:55 Michael Terry, <email address hidden> wrote:

> It's invalid (closed) for MATE (not really MATE's issue), but not
> necessarily invalid for Deja Dup.
>
> Looks like you mostly have incremental backups there. Deja Dup will make
> a new full backup every 3 months. And incremental backups in between the
> full ones.
>
> It always wants two full backup chains (full + following incrementals)
> around, for safety. But any extra, it will delete as needed.
>
> You may just not have enough space on your drive for a full two chains?
>
> ** Changed in: deja-dup
> Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1824710
>
> Title:
> deja-dup backup fails with disk full
>
> Status in Déjà Dup:
> Incomplete
> Status in Ubuntu MATE:
> Invalid
>
> Bug description:
> Ubuntu MATE 18.04.2. I use the built in Backup utility to perform a
> backup of specific folders weekly, and have set to keep for at least 6
> months (only 6 months, 1 year or forever are available).
>
> Latest backup failed with a low disk space error.
>
> The scheduling page of the gui states that "old backups will be
> deleted earlier if the storage location is low on space".
>
> I have checked status using the command line:
>
> duplicity collection-status file:///media/backup/dejadup/
>
> Which returns:
>
> Last full backup date: Fri Jan 11 20:43:45 2019
> Collection Status
> -----------------
> Connecting with backend: BackendWrapper
> Archive directory:
> /home/morpheus/.cache/duplicity/2f3a21168822cf5d92412c2c772aee6e
>
> Found 0 secondary backup chains.
>
> Found primary backup chain with matching signature chain:
> -------------------------
> Chain start time: Fri Jan 11 20:43:45 2019
> Chain end time: Sat Apr 6 20:46:12 2019
> Number of contained backup sets: 16
> Total number of contained volumes: 7416
> Type of backup set: Time: Number of
> volumes:
> Full Fri Jan 11 20:43:45 2019 8
> Incremental Tue Jan 29 21:23:54 2019 7070
> Incremental Thu Jan 31 01:18:47 2019 1
> Incremental Sat Feb 9 11:57:00 2019 1
> Incremental Sun Feb 10 15:28:16 2019 243
> Incremental Fri Feb 15 09:49:10 2019 19
> Incremental Sun Feb 17 19:32:30 2019 1
> Incremental Mon Feb 18 20:37:11 2019 1
> Incremental Wed Feb 20 19:26:26 2019 1
> Incremental Thu Feb 21 19:30:5...

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