Checking SD card integrity/Linux

This is an add-on section for checking your SD card for errors using F3.

Depending on the size of your SD card and the speed of your computer, this process can take up to several hours!

This page is for Linux users only. If you are not on Linux, check out the Windows or Mac pages.

What You Need

 * The latest version of (the   file)

Instructions
$ ./f3write /media/michel/6135-3363/ Free space: 29.71 GB Creating file 1.h2w ... OK! ... Creating file 30.h2w ... OK! Free space: 0.00 Byte Average Writing speed: 4.90 MB/s $ ./f3read /media/michel/6135-3363/ SECTORS                       ok/corrupted/changed/overwritten Validating file 1.h2w ... 2097152/       0/      0/      0  ...  Validating file 30.h2w ... 1491904/       0/      0/      0  ...  Data OK: 29.71 GB (62309312 sectors) Data LOST: 0.00 Byte (0 sectors) Corrupted: 0.00 Byte (0 sectors) Slightly changed: 0.00 Byte (0 sectors) Overwritten: 0.00 Byte (0 sectors) Average Reading speed: 9.42 MB/s
 * 1) Unzip the f3
 * 2)   into the f3 directory
 * 3) Run   to compile F3
 * 4) Insert your SD card into your computer
 * 5) Mount your SD card
 * 6) Run
 * 7) Wait until the process is complete. See below for an example output.
 * 1) Run
 * 2) Wait until the process is complete. See below for an example output.

If the test shows the result, your SD card is likely good. You can delete all  files on your SD card.