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8 Posts

02-20-2021

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TAB 2 internal storage is being used up by hidden system files

2021-02-20, 20:44 PM

Hi - I really like this TAB 2 tablet, nice display, good price and good enough performance. 

 

However I have been having problem with running out of internal storage - it is not cache, trash or any thing like that, have cleaned up all I can find with various utilities. 

 

Attached is a screenshot of a directory /sys/devices/bus.2 that the file manager claims is using over 14.5GB and over 5 million files ???

It has been counting for hours and is still running. 

 

From what I can find /sys/devices/  has to do with hardware tree. Could this be some virus or bad app using that area to hide data?

The device is not rooted and I can adb shell in and look at that directory and cannot find anything. 

 

This only finds 859 files:

shell@A10-70F:/sys/devices/bus.2 $ pwd
/sys/devices/bus.2

 

shell@A10-70F:/sys/devices/bus.2 $ find . -type f | wc -l
859

 

 

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8 Posts

02-20-2021

United States of America

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  • Location: United States of America
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  • Message 2 of 8

Re:TAB 2 internal storage is being used up by hidden system files

2021-02-20, 20:57 PM

Attached are two screenshots of the File Manager storage analyzer - one shows "Others" using 9.67GB of internal storage. When I click on that, we get the other screenshot showing 1.01GB of space used.  We are trying to locate and reclaim the 8GB of hidden space.

 

This table has had the OS upgraded at least once - could that be the hidden files, downloaded system updates? 

 

Is there any app that can find out and clean up this 8GB of used space?

 

 

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8 Posts

02-20-2021

United States of America

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Re:TAB 2 internal storage is being used up by hidden system files

2021-02-20, 23:42 PM

Yes the /sys/ directory was misleading - it appears infinitely recursively deep explaining the millions of files found by file manager - you can have paths like:

 

shell@A10-70F:/sys/devices/bus.2/step_counter.53/subsystem/devices/bus.2/step_counter.53/subsystem/devices/bus.2    etc etc etc on and on. 

 

Have no idea why and is beside the point.    Somewhere in the device something is using at least 8GB of 16GB storage and I cannot find it. 

 

Guess I could just start uninstalling apps and see what happens trial and error. 

 

 

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8 Posts

02-20-2021

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Re:TAB 2 internal storage is being used up by hidden system files

2021-02-20, 23:58 PM

Is this normal to have system data of 6.1GB?    There is that, 4GB of Apps, then 2GB free space. 

 

Internal Storage Usage

 

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02-20-2021

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Re:TAB 2 internal storage is being used up by hidden system files

2021-02-21, 0:08 AM

It appears to be something related to this:  https://forums.androidcentral.com/samsung-galaxy-s3/350410-samsung-galaxy-s3-ghost-data-problem.html

and this https://www.reddit.com/r/AndroidQuestions/comments/f24ida/how_to_access_delete_dumpstatelogcat_on_a_tablet/

 

but I do not know how to get that option "delete dumpstate/logcat" without a dialer on the tablet. 

 

 

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8 Posts

02-20-2021

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Re:TAB 2 internal storage is being used up by hidden system files

2021-02-21, 0:18 AM

Here is what is using 10GB of storage - logs - found from https://support.lenovo.com/us/en/solutions/ht103449-how-to-collect-log-files-from-the-lenovo-android-device

Now how to delete them??

 

MTKLogger showing 10446M Used

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8 Posts

02-20-2021

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Re:TAB 2 internal storage is being used up by hidden system files

2021-02-21, 0:24 AM

Ok I can click on the red arrow to start logging, stop it then click the trash can in the lower right that freed up a tiny bit - now it shows  10365M Used?  

That might actually just be 10365M of the filesystem is used by something and not logs after all.   Crap. 

 

Is there any kind of fsck for android? Is there a file that was open and didn't close properly ?

 

 

 

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8 Posts

02-20-2021

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Re:TAB 2 internal storage is being used up by hidden system files

2021-02-21, 18:44 PM

So for lack of any other suggestions I just copied all my photos and documents off the device, did Settings / Personal / Backup and Reset - and reset the device to factory state and now it shows 5GB out of 16GB are in use, just start all over and hope we do not encounter the rogue storage eating application again. 

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