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Titanium Backup cannot write on external SD card

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By Manafa, Senior Member on 5th April 2014, 03:09 PM
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30th May 2015, 10:39 AM |#21  
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I face exactly the same problem
 
 
28th July 2015, 09:17 PM |#22  
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Its really ridiculous that we cannot change permissions on folders and files, even when rooted. I was able to backup my N6 to my sdcard. But now, after a fresh ROM install, I cannot even read the folders to perform the restore. *sigh*....so frustrating. I tried all the solutions here, and have even been able to modify the platform.xml file directly. but titanium backup will still not see the backups on the sdcard. smh
28th July 2015, 09:26 PM |#23  
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Quote:
Originally Posted by baddison

Its really ridiculous that we cannot change permissions on folders and files, even when rooted. I was able to backup my N6 to my sdcard. But now, after a fresh ROM install, I cannot even read the folders to perform the restore. *sigh*....so frustrating. I tried all the solutions here, and have even been able to modify the platform.xml file directly. but titanium backup will still not see the backups on the sdcard. smh

I think there is some feature in TB that you need to use if you are moving files from one device to another; in the IMPORT/EXPORT section of the Menu. But to be honest, its been a while, and I've never done a huge migration of files (usually just a few apps).
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28th July 2015, 10:06 PM |#24  
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Quote:
Originally Posted by redpoint73

If you can't read, its probably not a permissions issue. You may need to re-format the card.

See if you can copy your TB files to your computer, format the card, then put the TB files back on SD. Some folks have had issues with the M8 reading cards (need to reformat), but computers or other devices read fine.

Believe it or not - this worked!! OMG - spent hours tryna reassign permissions to files & folders, and to put them in different access groups. Thanks for the suggestion. Once I unmounted/then remounted the drive I was able to access all my previous backups!
29th July 2015, 03:25 PM |#25  
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Quote:
Originally Posted by baddison

Believe it or not - this worked!! OMG - spent hours tryna reassign permissions to files & folders, and to put them in different access groups. Thanks for the suggestion. Once I unmounted/then remounted the drive I was able to access all my previous backups!

Interesting, after reading your post (#22) again, I thought your issue might be something different, and actually changed my response (Post #23 versus what you quoted). But it appears that my original "fix" was the correct one, so luckily you read it before I edited it!

Either way, happy to have helped! Yes, SD card reading on this device seems to be a bit finicky. A number folks have had similar issues like yours (although I haven't).
31st August 2015, 04:16 PM |#26  
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Quote:
Originally Posted by jim380

http://forum.xda-developers.com/show..._utmk=30131004

This should solve your problem.

Did the trick for me, One M8 GPE
11th January 2016, 09:11 AM |#27  
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Titanium Backup won't write to External SD Card - Marshmallow
Those that are now running Marshmallow try this...
1. Open Titanium>Menu>Preferences>Backup Folder Location
2. Press ''Storage provider: Filesystem (click to change)'
3. Press 'DocumentProvider storage'
4. Select your SD Card and press 'Select'
5. Create a new folder
6. Press 'Use the Current Folder'

If you already have a backup in place, it will ask you if you want to move it to the new location.

Now you should be able to back up to your SD Card without losing security on the rest of your SD Card.
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11th January 2016, 01:49 PM |#28  
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The above is needed for many apps including file explorer apps to access the SD card. It works every time and must be some new security feature of Android.
19th January 2016, 10:29 AM |#29  
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happens to me last week. at first i thought it was caused by my custom ROM, but then after googling around, it was SuperSU that causing the issue.

solved it by disabling(uncheck) "mount namespace separation" option in SuperSU.
26th January 2016, 05:21 PM |#30  
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I read the help or FAQ from TB and found they suggest writing to
\SD Card\Android\data\com.keramidas.TitaniumBackup\fil e

I created a folder in there BackUp and that worked.
It did ask to move all my backups from internal memory, so I let it do that.
I verified the internal back up copies were gone (or I deleted them, can't remember), and the ones on the SD card are good and recognized my TB.
23rd June 2016, 04:48 PM |#31  
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Quote:
Originally Posted by nath6284

Those that are now running Marshmallow try this...
1. Open Titanium>Menu>Preferences>Backup Folder Location
2. Press ''Storage provider: Filesystem (click to change)'
3. Press 'DocumentProvider storage'
4. Select your SD Card and press 'Select'
5. Create a new folder
6. Press 'Use the Current Folder'

If you already have a backup in place, it will ask you if you want to move it to the new location.

Now you should be able to back up to your SD Card without losing security on the rest of your SD Card.

Thanks - spent hours trying to solve this and even posted question on Titanium product support. No answer from them yet but this solved it.
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