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installation/openhabian.md
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@ -132,14 +132,14 @@ We'll be happy to include that in openHABian so you can use your box with openHA
However, that does not make your box a "supported" one as we don't have it available for our further development and testing.
So there remains a risk that future openHABian releases will fail to work on your SBC because we changed a thing that broke support for your HW - unintentionally, however inevitably.
For ARM hardware that we don't support, you can try any of the [fake hardware parameters](openhabian.md/#fake-hardware-mode) to 'simulate' RPi hardware and Raspberry Pi OS.
For ARM hardware that we don't support, you can try any of the [fake hardware parameters](openhabian.md#fake-hardware-mode) to 'simulate' RPi hardware and Raspberry Pi OS.
#### Hardware modifications
Plugging in HATs like an UPS or USB sticks or even SSDs for storage is fine, but we do not support attaching any hardware if that requires any sort of software or configuration changes on the OS part of openHABian.
To put it straight: we don't recommend SSDs and do not support attaching an SSD and move the system over there.
If you know Linux well enough to manually apply all the required modifications, feel free to do so but please be aware that this is a completely untested option that may work or not and what's even more important: it is unsupported. Don't ask for help if you run into trouble.
Also remember that any future changes to openHABian (which is what you get when you upgrade as you are recommended to do on every start of the `openhabian-config` tool) can interfere with any such modification of yours so while any such mod may work for the time being you apply it, it may break your box and openHAB experience anytime in the future.
### OS support
Going beyond what the RPi image provides, as a manually installed set of scripts, we support running openHABian on x86 hardware on generic Debian.
On ARM, we only support Raspberry Pi OS.
@ -153,11 +153,8 @@ If you do and encounter issues, you may need to upgrade first or to live with th
### 64 bit?
RPi 3 and 4 have a 64 bit processor and you may want to run openHAB in 64 bit.
While 64 bit Raspi OS left beta and we provide a 64bit version of the image, the openHABian image is still unsupported and just provided as-is so please do not ask for help if you have issues.
Be aware that to run in 64 bit has a major drawback: increased memory usage.
Be aware that running in 64 bit has a major drawback: increased memory usage.
That is not a good idea on a heavily memory constrained platform like a RPi.
We are closely observing development and will adapt openHABian once it will
reliably work on 64 bit.
On x86 hardware, 64 bit is the standard.
@ -342,13 +339,13 @@ openHABian has a number of features built in to enhance resilience:
2. Mirror your SD card: see [auto backup](#auto-backup) documentation. You can activate mirroring using \[menu option 53\].
3. openHABian provides an option to move the root filesystem to USB-attached devices.
See \[menu option 37\].
WARNING 1: openHABian does not support hardware modifications to have an effect on the system itself such as to add an SSD drive to boot from.
We clearly recommend NOT to do this, for your own sake of reliability.
WARNING 2: USB sticks are as susceptible to flash wear-out as SD cards are, making zram the better choice for a standard Pi to run off its internal SD card.
4. Use the openHAB integrated [openhab-cli tool](https://community.openhab.org/t/recommended-way-to-backup-restore-oh2-configurations-and-things/7193/82) to interactively
4. Use the openHAB integrated [openhab-cli tool](https://community.openhab.org/t/recommended-way-to-backup-restore-oh2-configurations-and-things/7193/82) to interactively
backup/restore your openHAB **config** \[menu option 50/51\].
5. Use [Amanda Network Backup](http://www.amanda.org/) for full system backups, documentation [here](openhabian-amanda.md).
See \[menu option 52\].