Allow draid in ZFS #1049
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Allow draid in ZFS #1049
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Mic92
reviewed
Jun 5, 2025
| name = "zpoolMode"; | ||
| description = "valid modes for a zpool"; | ||
| descriptionClass = "noun"; | ||
| check = (x: lib.isString x && (builtins.elem x modeOptions || lib.strings.hasPrefix "draid" x)); |
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What does example configuration for this looks like? Should we extend zfs-with-vdevs.nix ?
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it looks very similar to raidz, but the mode would look something like draid2:16d:27c:2s.
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Can you provide a more complete configuration that I can use for testing?
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{
lib,
...
}:
let
in
{
disko.devices = {
disk = {
"disk0" = {
type = "disk";
device = "/dev/mapper/disk0";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk1" = {
type = "disk";
device = "/dev/mapper/disk1";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk2" = {
type = "disk";
device = "/dev/mapper/disk2";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk3" = {
type = "disk";
device = "/dev/mapper/disk3";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk4" = {
type = "disk";
device = "/dev/mapper/disk4";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk5" = {
type = "disk";
device = "/dev/mapper/disk5";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk6" = {
type = "disk";
device = "/dev/mapper/disk6";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk7" = {
type = "disk";
device = "/dev/mapper/disk7";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk8" = {
type = "disk";
device = "/dev/mapper/disk8";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk9" = {
type = "disk";
device = "/dev/mapper/disk9";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk10" = {
type = "disk";
device = "/dev/mapper/disk10";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk11" = {
type = "disk";
device = "/dev/mapper/disk11";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk12" = {
type = "disk";
device = "/dev/mapper/disk12";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk13" = {
type = "disk";
device = "/dev/mapper/disk13";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk14" = {
type = "disk";
device = "/dev/mapper/disk14";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk15" = {
type = "disk";
device = "/dev/mapper/disk15";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk16" = {
type = "disk";
device = "/dev/mapper/disk16";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk17" = {
type = "disk";
device = "/dev/mapper/disk17";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk18" = {
type = "disk";
device = "/dev/mapper/disk18";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk19" = {
type = "disk";
device = "/dev/mapper/disk19";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk20" = {
type = "disk";
device = "/dev/mapper/disk20";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk21" = {
type = "disk";
device = "/dev/mapper/disk21";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk22" = {
type = "disk";
device = "/dev/mapper/disk22";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk23" = {
type = "disk";
device = "/dev/mapper/disk23";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk24" = {
type = "disk";
device = "/dev/mapper/disk24";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk25" = {
type = "disk";
device = "/dev/mapper/disk25";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
"disk26" = {
type = "disk";
device = "/dev/mapper/disk26";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "tank";
};
};
};
};
};
};
zpool = {
tank = {
type = "zpool";
mode = {
topology = {
type = "topology";
vdev = [
{
mode = "draid2:16d:27c:2s"; # according to my calculations, this is pretty optimal. Read the README for more info
members = [
"disk0"
"disk1"
"disk2"
"disk3"
"disk4"
"disk5"
"disk6"
"disk7"
"disk8"
"disk9"
"disk10"
"disk11"
"disk12"
"disk13"
"disk14"
"disk15"
"disk16"
"disk17"
"disk18"
"disk19"
"disk20"
"disk21"
"disk22"
"disk23"
"disk24"
"disk25"
"disk26"
];
}
];
};
};
datasets = {
mirror = {
type = "zfs_fs";
mountpoint = "/srv/mirror";
};
};
};
};
};
}
|
I'm not quite sure how to have the tests pass if the type is set to a function. |
Flake lock file updates:
• Updated input 'nixpkgs':
'github:NixOS/nixpkgs/9b008d60392981ad674e04016d25619281550a9d?narHash=sha256-mgFxAPLWw0Kq%2BC8P3dRrZrOYEQXOtKuYVlo9xvPntt8%3D' (2025-07-08)
→ 'github:NixOS/nixpkgs/be9e214982e20b8310878ac2baa063a961c1bdf6?narHash=sha256-HM791ZQtXV93xtCY%2BZxG1REzhQenSQO020cu6rHtAPk%3D' (2025-07-09)
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Previously, creating a draid pool in disko would fail with a type error. This simple patch should resolve that.