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docs/hardware: update 

- Update pruning info
- Add Raspberry Pi 4
  Mentioned here: https://github.com/fort-nix/nix-bitcoin/issues/39#issuecomment-917418830
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Erik Arvstedt 2021-10-01 11:52:03 +02:00
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README.md
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@ -94,10 +94,10 @@ Note that if the machine you're deploying *from* is insecure, there is nothing n
Docs
---
* [FAQ](docs/faq.md)
* [Hardware Requirements](docs/hardware.md)
* [Install instructions](docs/install.md)
* [Usage instructions](docs/usage.md)
* [FAQ](docs/faq.md)
Troubleshooting
---

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docs/hardware.md
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Hardware requirements
---
* Disk space: 500 GB (400GB for Bitcoin blockchain + some room)
* Bitcoin Core pruning is not supported at the moment because it's not supported by c-lightning.
It's possible to use pruning but you need to know what you're doing.
* RAM: 2GB of memory. ECC memory is better. Additionally, it's recommended to use DDR4 memory with
* RAM: 2GB. ECC memory is better. Additionally, it's recommended to use DDR4 memory with
targeted row refresh (TRR) enabled (https://rambleed.com/).
* Disk space: 500 GB (400GB for Bitcoin blockchain + some room) for an unpruned
instance of Bitcoin Core.
* This can be significantly lowered by enabling pruning.
Note: Pruning is not supported by `electrs`.
Tested hardware includes [pcengine's apu2c4](https://pcengines.ch/apu2c4.htm),
[GB-BACE-3150](https://www.gigabyte.com/Mini-PcBarebone/GB-BACE-3150-rev-10),
[GB-BACE-3160](https://www.gigabyte.com/de/Mini-PcBarebone/GB-BACE-3160-rev-10#ov).\
Some hardware (including Intel NUCs) may not be compatible with the hardened kernel
turned on by default (see https://github.com/fort-nix/nix-bitcoin/issues/39#issuecomment-517366093
Tested low-end hardware includes:
- [Raspberry Pi 4](https://www.raspberrypi.org/products/raspberry-pi-4-model-b/)
- [PC Engines apu2c4](https://pcengines.ch/apu2c4.htm)
- [Gigabyte GB-BACE-3150](https://www.gigabyte.com/Mini-PcBarebone/GB-BACE-3150-rev-10)
- [Gigabyte GB-BACE-3160](https://www.gigabyte.com/de/Mini-PcBarebone/GB-BACE-3160-rev-10#ov)
Some hardware (including Intel NUCs) may not be compatible with the [hardened kernel preset](../modules/presets/hardened.nix)
(See https://github.com/fort-nix/nix-bitcoin/issues/39#issuecomment-517366093
for a workaround).