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PX4-Autopilot/docs/en/concept/sd_card_layout.md
Hamish Willee 88d623bedb
Move PX4 Guide source into /docs (#24490) 
* Add vitepress tree

* Update existing workflows so they dont trigger on changes in the docs path

* Add nojekyll, package.json, LICENCE etc

* Add crowdin docs upload/download scripts

* Add docs flaw checker workflows

* Used docs prefix for docs workflows

* Crowdin obvious fixes

* ci: docs move to self hosted runner

runs on a beefy server for faster builds

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

* ci: don't run build action for docs or ci changes

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

* ci: update runners

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

* Add docs/en

* Add docs assets and scripts

* Fix up editlinks to point to PX4 sources

* Download just the translations that are supported

* Add translation sources for zh, uk, ko

* Update latest tranlsation and uorb graphs

* update vitepress to latest

---------

Signed-off-by: Ramon Roche <mrpollo@gmail.com>
Co-authored-by: Ramon Roche <mrpollo@gmail.com>
2025-03-13 16:08:27 +11:00

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PX4 SD Card Layout

The PX4 SD Card is used for storing configuration files, flight logs, mission information etc.

:::tip The SD card should be FAT32 formatted for use with PX4 (this is the default for SD cards). We recommend that you reformat cards that are using a different file system. :::

The directory structure/layout is shown below.

Directory/File(s) Description
/etc/ Extra config. See System Startup > Replacing the System Startup.
/log/ Full flight logs
/mission_log/ Reduced flight logs
/fw/ DroneCAN firmware
/uavcan.db/ DroneCAN DNA server DB + logs
/params Parameters (if not in FRAM/FLASH)
/dataman Mission storage file
/fault_<datetime>.txt Hardfault files
/bootlog.txt Boot log file