Migrate config from dotfiles

hosts/atlas/README.md

@@ -5,15 +5,34 @@ A general purpose mini computer used for web browsing and multimedia.
 
 ## Specs
 * CPU - Intel Core i7-4790K @ 4.00GHz
+* Chipset - Intel Z97
 * Memory - 8 GB DDR3
 * Motherboard - ASRock Z97M-ITX
 * GPU - AMD Radeon R9 290X 4GB
+* Case - SilverStone Sugo SG13
+* NIC - Intel Gigabit I218-V, Broadcom BCM4360 802.11ac
 
 ### Disks
-Device | Partitions _(filesystem, usage)_
+Device | Partitions _(filesystem, size, usage)_
 --- | ---
-Samsung SSD 850 | `/dev/sda1` (NTFS, Windows XP)
-Samsung SSD 850 | `/dev/sdb1` (EFI, NixOS Boot) <br> `/dev/sdb2` (ext4, NixOS Root)
+Samsung SSD 850 | `/dev/sda1` (NTFS, 500 GiB, Windows XP)
+Samsung SSD 850 | `/dev/sdb1` (EFI, 500 MiB, NixOS Boot) <br> `/dev/sdb2` (ZFS, 500 GiB, NixOS Root)
+
+#### ZFS pool layout
+```
+rpool/
+├── local
+│   ├── nix
+│   └── tmp
+├── system
+│   ├── root
+│   └── var
+└── user
+    └── home
+```
+
+See [Graham Christensen's article](https://grahamc.com/blog/nixos-on-zfs/#datasets) for the motivation behind these datasets.
 
 ### Networks
-DHCP on `10.0.1.0/24` subnet.
+- DHCP on `10.0.1.0/24` subnet.
+- Tailscale on `100.64.0.0/10` subnet. FQDN: `atlas.mesh.vimium.net`.