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--- pi-homeserver [2022/11/17 20:27] – created 10.100.0.1
+++ pi-homeserver [2022/11/20 20:30] – [NixOS crypt setup] 10.100.0.1
@@ Line 1: / Line 1: @@
 ====== Hardware ======
-  * Mainboard: Odroid-H2 [[https://wiki.odroid.com/odroid-h2/hardware]]//
+  * Mainboard: Odroid-H2 Rev B+ [[https://wiki.odroid.com/odroid-h2/hardware]]
-CPU compare with Odroid-M1 [[https://www.cpubenchmark.net/compare/ROC-RK3568-PC-HDMI-(Android)-vs-Intel-Celeron-J4105/4752vs3159]]//
+    * CPU compare with Odroid-M1 [[https://www.cpubenchmark.net/compare/ROC-RK3568-PC-HDMI-(Android)-vs-Intel-Celeron-J4105/4752vs3159]]\\
-  *Memory: 260Pin SO-DIMM 8GB DDR4 2400 CL14 1,2V, 1×Riegel vorhanden: "HX424S14IB2/8" https://www.kingston.com/de/memory/search/discontinuedmodels?partId=HX424S14IB2%2F8 via 2. Slot  (max 2x 16GB DDR4)//
+  * Memory: 1×260Pin SO-DIMM 8GB DDR4 2400 CL14 1,2V: [[https://www.kingston.com/de/memory/search/discontinuedmodels?partId=HX424S14IB2%2F8|HX424S14IB2/8]] 2. Slot available (max 2×16GB DDR4)\\
-  *8GB eMMC 5.0//
+  * 8GB eMMC 5.0 (read rate ~130MB/s)\\
-  *M.2 SATA 2280 128GB Emtec SSD (3D Nand bis 520MB/s) [[https://www.emtec-international.com/en/ssd/internal/x250-m2-sata-ssd-power-plus]]
+  * //some M.2 PCIe 2.0 x4 card// (supports NGFF-2280 cards, not compatible with M.2 SATA SSD)
+  * //some HDDs (1x 12TB will be connected)//
 ====== Powerconsumption ======
-BIOS: (Odroid H2, SSD X250 128GB, 8GB Memory DDR4 2400 CL14 "HX424S14IB2/8"; HDMI on, Ethernet 1x, 1x USB-Keyboard): 7,5W
+BIOS: (Odroid H2, SSD X250 128GB, 8GB Memory DDR4 2400 CL14 "HX424S14IB2/8"; HDMI on, Ethernet 1x, 1x USB-Keyboard):\\
-idle: (Odroid H2, SSD X250 128GB, 8GB Memory DDR4 2400 CL14 "HX424S14IB2/8"; HDMI on, Ethernet 1x, 1x USB-Keyboard):
+,5W\\
+Idle: (Odroid H2, SSD X250 128GB, 8GB Memory DDR4 2400 CL14 "HX424S14IB2/8"; HDMI on, Ethernet 1x, 1x USB-Keyboard):\\
+~5W
 ===== BIOS configuration =====
 For booting fom emmc: XHCI enabled
+===== NixOS crypt setup =====
+Encrypted NixOS via standard installer by Nov.2022 (v22.05) but changed ext4 root filesystem to btrfs after installation.\\
+Before reboot you can unmount the new installation-system partitions. Then you can simply convert the ext4-filesystem with
+<code bash>
+btrfs-convert /tmp/newroot
+</code>
+With **blkid** you can get the new UUID for the converted logical volume and copy in hardware-configuration.nix file:
+==== hardware-configuration.nix ====
+<code bash>
+fileSystems."/" =
+    { device = "/dev/disk/by-uuid/d11cd5b3-8a41-42d0-b671-04efbdd8b18b";
+      fsType = "btrfs";
+      options = [ "subvolid=5" "subvol=/" ];
+      neededForBoot = true;
+    };
+  boot.initrd.luks.devices."luks-btrfs".device = "/dev/disk/by-uuid/085ffcdf-5a5c-43fc-9231-eed8b5d0bbd4";
+</code>
+changed also
+==== configuration.nix ====
+added here also (maybe not needed?)
+<code /bash>
+  boot.initrd.supportedFilesystems = ["btrfs"];
+</code>
+After changing the config, you have to run **nixos-rebuild boot** and **nixos-rebuild switch**

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