Search code examples
linuxembedded-linuxqnx

embedded linux/QNX - how to completely zero out flash

I have a bug related to persistent files.

To determine the exact sequence of steps to reproduce the bug, I need to start out the flash disk at a known state.

QUESTION

Using linux/QNX commands, how do I completely zero out the entire flash disk while being Telnet'd into the system?

Solution

  • On QNX, you can try the flashctl tool to erase the entire flash.

    To erase the entire flash, run: 

    flashctl -p /dev/fs0 -e