Permission denied when django writes to external device
On raspbian you have to be careful when using external drives. Have you edited the file /etc/fstab? This is necessary to mount the drive also correctly after restarts and when the file is temporarily disconnected and then connected again.
If you did this correctly, then the drive will have the permissions you gave it when mounting and Django should be able to access it/write to it.
BR
I have a django file server. The server works perfectly on my laptop & localhost (with external hard drive) but when I transferred it to my Raspberry Pi running Raspbian, it starts acting up.
I did a lot of googling and tried every possible solution but it does not work. 
Here is my problem:
I have connected an external hard drive to my raspberry pi. I believe it has write permissions because I can easily write to it with mkdir. I have also set this directory which is /media/pi/SAMSUNG/media as my MEDIA_ROOT. 
Now I have set up Apache2, WSGI and Django, everything works, I have set up all the permissions and everything, but still when django tries to access the hard drive, whether it be to read or write, I get an error [Errno 13] Permission denied: '/media/pi/SAMSUNG'. 
I have fixed this in the past with chown -R 777 but it does not work this time. 
Unfortunetly, I have no idea what I am doing when it comes to servers and file permissions, so I have no idea what code to attach. Can some please help me?
I will attach all the necessary code on request.
Thank you