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Heyho, i have a tiny problem, i will use the rpi zero w as device to submit space on my nas as USB Stick, for test i used local file only.

I used this tutorial withouth the samba things https://www.raspberrypi.org/magpi/pi-zero-w-smart-usb-flash-drive/ and i added the option "removable=1"

the "Stick" works and i get access to files in this file but i always have the problem "its write protected" so i cant add files from windows explorer on it, not really good when u want is as Usb Stick

I use last raspian and did rpi-update

thanks

3 Answers 3

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Try the following:

sudo modprobe g_mass_strorage file=/path/to/file removable=1 ro=0 stall=0

The important part is the ro flag which has to be set to 0.

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  • strange, now its workingy thx, i was sure doing the same but in different param pos
    – StefanBD
    Feb 28, 2018 at 18:23
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I was able to get it working adding some lines to the modprobe:

sudo modprobe g_mass_storage file=/piusb.bin stall=0 ro=0 removable=1\
  idVendor=0x0781 idProduct=0x5572 bcdDevice=0x0126 iManufacturer="SanDisk"\
  iProduct="Cruzer Switch" iSerialNumber="4C597515973308202393"

I am able to mount it and share it via SAMBA, But there are conflicts between the two owning the same file system. I was hoping to be able to use it a little like a shared drive, and delete files remotely via SAMBA, but that might be asking a lot.

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I tried using following it, but it is missing steps. here is the one I used which works, aside from the issue I am having.

http://www.dlightsound.com/tutorial/USB-stick_on_a_Raspberry_Zero_W.pdf

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  • Please post the relevant information here. Answers consisting only of links are not very helpful and are likely to be deleted.
    – Chenmunka
    Jun 13, 2021 at 18:11
  • Please consider following Chenmunka's advice. Link-only answers may be deleted.
    – Ghanima
    Jun 14, 2021 at 7:27

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