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Depending on the size of your SD card and the speed of your computer, this process can take up to several hours! | 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 | This page is for Linux users only. If you are not on Linux, check out the [[Checking SD card integrity/Windows|Windows]] or [[Checking SD card integrity/Mac|Mac]] pages. | ||
<big>{{warning|text=Copy all of your SD's contents to your PC and then [[Formatting_an_SD_card|format the SD card]] before starting this guide. If you do not, F3 will be unable to test the parts of the SD that still have data in them.}}</big> | |||
== What You Need == | == What You Need == | ||
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== Instructions == | == Instructions == | ||
# | # Extract the F3 <code>.zip</code> file | ||
# <code>cd</code> into the | # Open a terminal window and <code>cd</code> into the F3 directory | ||
# Run <code>make</code> to compile F3 | # Run <code>make</code> to compile F3 | ||
# Insert your SD card into your computer | # Insert your SD card into your computer | ||
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{{critical|text=If the test shows any other results, your SD card is failing. You will have to replace it!}} | {{critical|text=If the test shows any other results, your SD card is failing. You will have to replace it!}} | ||
[[Category:General guides]] | |||
Latest revision as of 00:08, 16 April 2024
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.
 |
Copy all of your SD's contents to your PC and then format the SD card before starting this guide. If you do not, F3 will be unable to test the parts of the SD that still have data in them. |
What You Need
- The latest version of F3 (the
.zipfile)
Instructions
- Extract the F3
.zipfile - Open a terminal window and
cdinto the F3 directory - Run
maketo compile F3 - Insert your SD card into your computer
- Mount your SD card
- Run
./f3write <your SD card mount point> - Wait until the process is complete. See below for an example output.
$ ./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
- Run
./f3read <your SD card mount point> - Wait until the process is complete. See below for an example output.
$ ./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
 |
If the test shows the result Data LOST: 0.00 Byte (0 sectors), your SD card is likely good. You can delete all .h2w files on your SD card. |
 |
If the test shows any other results, your SD card is failing. You will have to replace it! |