130 lines
3.5 KiB
Nix
Executable file
130 lines
3.5 KiB
Nix
Executable file
{
|
|
lib,
|
|
root-disk ? throw "Expected a mf disk brother",
|
|
raid-disks ? [],
|
|
swap-size ? -1,
|
|
...
|
|
}: {
|
|
disko.devices = {
|
|
disk =
|
|
{
|
|
# Main SSD where /nix/store /etc /boot etc. is located.
|
|
main = {
|
|
type = "disk";
|
|
device = root-disk;
|
|
content = {
|
|
type = "gpt";
|
|
partitions = {
|
|
# Define a 512 megabyte boot partition
|
|
boot = {
|
|
size = "512M";
|
|
type = "EF00";
|
|
content = {
|
|
type = "filesystem";
|
|
format = "vfat";
|
|
mountpoint = "/boot";
|
|
mountOptions = ["umask=0077"];
|
|
};
|
|
};
|
|
# If the swap argument is defined then create a swap partition of the given size
|
|
swap = lib.mkIf (swap-size != -1) {
|
|
size = swap-size;
|
|
content = {
|
|
type = "swap";
|
|
discardPolicy = "both";
|
|
resumeDevice = true;
|
|
};
|
|
};
|
|
# Finally allocate the rest of the disk as a zfs device
|
|
root = {
|
|
size = "100%";
|
|
content = {
|
|
type = "zfs";
|
|
pool = "zroot";
|
|
};
|
|
};
|
|
};
|
|
};
|
|
};
|
|
}
|
|
# Import all disks into raid named "raid5"
|
|
// lib.attrsets.genAttrs raid-disks (name: {
|
|
type = "disk";
|
|
device = "/dev/" + name;
|
|
content = {
|
|
type = "gpt";
|
|
partitions = {
|
|
zfs = {
|
|
size = "100%";
|
|
content = {
|
|
type = "zfs";
|
|
pool = "raid5";
|
|
};
|
|
};
|
|
};
|
|
};
|
|
});
|
|
|
|
zpool = {
|
|
# Set up zroot pool
|
|
zroot = {
|
|
type = "zpool";
|
|
rootFsOptions = {
|
|
mountpoint = "none";
|
|
acltype = "posixacl"; # POSIX compliant file permissions
|
|
xattr = "sa"; # Store attributes in inodes to reduce disk reads
|
|
};
|
|
|
|
datasets = {
|
|
root = {
|
|
type = "zfs_fs";
|
|
mountpoint = "/";
|
|
};
|
|
|
|
"nix/store" = {
|
|
type = "zfs_fs";
|
|
mountpoint = "/nix/store";
|
|
};
|
|
};
|
|
};
|
|
|
|
# If any disks where defined to be in the raid we set up the raid5 pool
|
|
raid5 = lib.mkIf (builtins.length raid-disks > 0) {
|
|
type = "zpool";
|
|
mode = "raidz";
|
|
|
|
rootFsOptions = {
|
|
compression = "zstd"; # Compress filesystem for more storage
|
|
mountpoint = "none"; # Dont mount the zfs pool anywhere
|
|
acltype = "posixacl"; # POSIX compliant file permissions
|
|
xattr = "sa"; # Store attributes in inodes to reduce disk reads
|
|
"com.sun:auto-snapshot" = "true"; # Never a bad idea to have backups
|
|
};
|
|
|
|
datasets = {
|
|
var = {
|
|
type = "zfs_fs";
|
|
mountpoint = "/var";
|
|
};
|
|
home = {
|
|
type = "zfs_fs";
|
|
mountpoint = "/home";
|
|
};
|
|
srv = {
|
|
type = "zfs_fs";
|
|
mountpoint = "/srv";
|
|
};
|
|
opt = {
|
|
type = "zfs_fs";
|
|
mountpoint = "/opt";
|
|
};
|
|
# media = {
|
|
# type = "zfs_fs";
|
|
# mountpoint = "/media";
|
|
# };
|
|
};
|
|
};
|
|
};
|
|
};
|
|
}
|