Public bug reported:

May also apply to the "duplicity" package and is related to network
"mount"s:

To reproduce:
* Set up a writeable SMB share: smb://1.2.3.4/backup
* Create a subdir: smb://1.2.3.4/backup/UbuntuBackup
* Using "deja-dup" -> "Storage location" set:
    Storage location: Network Server
    Network Location: smb://1.2.3.4/backup/UbuntuBackup
    Folder: MyMachineBackup
* REBOOT THE MACHINE (or clear any cached mounts to "smb://1.2.3.4/backup")
* Select "deja-dup" -> "Overview" -> "Back Up Now..."
* Allow the backup to start, but not finish
* Go to Nautilus (file browser) -> "+ Other Locations"
  - At the bottom set "Connect to server" to: smb://1.2.3.4/backup

Result: 
* The parent SMB directory "smb://1.2.3.4/backup" is inaccessible because the 
"UbuntuBackup" subdir is currently mounted
* This causes a hanging problem if the "smb://1.2.3.4/backup" folder is 
bookmarked in nautilus
* Prevents all access to all parent folders of the backup folder
* Nautilus will hang, unable to mount the "backup" parent directory
* This problem is persistent throughout backup process and for a period of time 
afterwards until the mount to "UbuntuBackup" times out
* This is especially a problem when backing up remotely over a VPN which can 
take a long time

Possible solutions:
* Add a configuration option to deja-dup/duplicity to specify the "Share root" 
and mount that first before accessing the configured "Network Location"
* Have deja-dup or duplicity attempt to mount the parent directory/directories 
first by starting at the root of the SMB share and walking down the directory 
tree until a successful mount is made. In the above example, start by 
attempting to mount "smb://1.2.3.4/backup" first and then 
"smb://1.2.3.4/backup/UbuntuBackup" (in the case of deeper folder structures, 
try each one successively)

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: deja-dup 40.7-0ubuntu1
ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-30-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Mar  1 08:51:47 2022
ExecutablePath: /usr/bin/deja-dup
InstallationDate: Installed on 2021-09-13 (168 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
ProcEnviron:
 XDG_RUNTIME_DIR=<set>
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
SourcePackage: deja-dup
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: deja-dup (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug backup focal network smb

-- 
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/1962593

Title:
  SMB Mount to backup directory prevents mounting parent directory

Status in deja-dup package in Ubuntu:
  New

Bug description:
  May also apply to the "duplicity" package and is related to network
  "mount"s:

  To reproduce:
  * Set up a writeable SMB share: smb://1.2.3.4/backup
  * Create a subdir: smb://1.2.3.4/backup/UbuntuBackup
  * Using "deja-dup" -> "Storage location" set:
      Storage location: Network Server
      Network Location: smb://1.2.3.4/backup/UbuntuBackup
      Folder: MyMachineBackup
  * REBOOT THE MACHINE (or clear any cached mounts to "smb://1.2.3.4/backup")
  * Select "deja-dup" -> "Overview" -> "Back Up Now..."
  * Allow the backup to start, but not finish
  * Go to Nautilus (file browser) -> "+ Other Locations"
    - At the bottom set "Connect to server" to: smb://1.2.3.4/backup

  Result: 
  * The parent SMB directory "smb://1.2.3.4/backup" is inaccessible because the 
"UbuntuBackup" subdir is currently mounted
  * This causes a hanging problem if the "smb://1.2.3.4/backup" folder is 
bookmarked in nautilus
  * Prevents all access to all parent folders of the backup folder
  * Nautilus will hang, unable to mount the "backup" parent directory
  * This problem is persistent throughout backup process and for a period of 
time afterwards until the mount to "UbuntuBackup" times out
  * This is especially a problem when backing up remotely over a VPN which can 
take a long time

  Possible solutions:
  * Add a configuration option to deja-dup/duplicity to specify the "Share 
root" and mount that first before accessing the configured "Network Location"
  * Have deja-dup or duplicity attempt to mount the parent 
directory/directories first by starting at the root of the SMB share and 
walking down the directory tree until a successful mount is made. In the above 
example, start by attempting to mount "smb://1.2.3.4/backup" first and then 
"smb://1.2.3.4/backup/UbuntuBackup" (in the case of deeper folder structures, 
try each one successively)

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: deja-dup 40.7-0ubuntu1
  ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
  Uname: Linux 5.13.0-30-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.21
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Mar  1 08:51:47 2022
  ExecutablePath: /usr/bin/deja-dup
  InstallationDate: Installed on 2021-09-13 (168 days ago)
  InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
  ProcEnviron:
   XDG_RUNTIME_DIR=<set>
   SHELL=/bin/bash
   PATH=(custom, user)
   LANG=en_US.UTF-8
  SourcePackage: deja-dup
  UpgradeStatus: No upgrade log present (probably fresh install)

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