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made snapraid use snapshots

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mc-fucker 2025-11-10 14:16:07 +01:00
parent 522ed5da99
commit 44d649c555
1 changed files with 141 additions and 0 deletions
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snapraid.nix Normal file
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{ pkgs, ... }:
let
excludes = [
"/media/usenet/incomplete/"
"/.snapshot/"
];
snapshot-path = [
pkgs.bash
pkgs.btrfs-progs
];
in
{
#systemd.timers."snapraid-sync".enable = false; #temporarily
#systemd.timers."snapraid-scrub".enable = false; #temporarily
systemd.services."snapraid-sync" = {
#preStart = "systemctl start snapraid-pre";
#postStart = "systemctl start snapraid-post";
#path = [
# pkgs.bash
# pkgs.btrfs-progs
#];
serviceConfig = {
ReadWritePaths = [
"/mnt/snapshot/ZVV0688G/.snapshot/"
"/mnt/snapshot/ZVV072JR/.snapshot/"
"/mnt/snapshot/ZXA0FSKT/.snapshot/"
"/mnt/snapshot/X2N0A0AZFJDH/.snapshot/"
"/mnt/snapshot/53G0A2AXFJDH/.snapshot/"
"/mnt/snapshot/92F0A079FJDH/.snapshot/"
"/mnt/snapshot/X2N0A0AXFJDH/.snapshot/"
"/mnt/snapshot/43P0A00FFJDH/.snapshot/"
"/mnt/snapshot/ZA1D9307/.snapshot/"
"/mnt/snapshot/1EJZN6MZ/.snapshot/"
"/mnt/snapshot/1EKR513Z/.snapshot/"
"/mnt/snapshot/1EKVK21Z/.snapshot/"
];
};
unitConfig.After = "snapraid-pre.service";
unitConfig.Before = "snapraid-post.service";
wants = [
"snapraid-pre.service"
"snapraid-post.service"
];
};
systemd.services = {
snapraid-pre = {
description = "Create btrfs snapshots for each disk in the array";
serviceConfig = {
Type = "oneshot";
ExecStart = "/etc/nixos/modules/snapraid_snapshots.sh create";
};
path = snapshot-path;
};
snapraid-post = {
description = "Delete btrfs snapshots for each disk in the array";
serviceConfig = {
Type = "oneshot";
ExecStart = "/etc/nixos/modules/snapraid_snapshots.sh delete";
};
path = snapshot-path;
};
};
services.snapraid = {
enable = true;
scrub.plan = 5;
touchBeforeSync = false; # doesn't work with snapshots
parityFiles = [
"/mnt/drives/43P0A00AFJDH/snapraid1.parity"
"/mnt/drives/ZXA0MNRB/snapraid2.parity"
];
dataDisks = {
d1 = "/mnt/snapshot/ZVV0688G/";
d2 = "/mnt/snapshot/ZVV072JR/";
d3 = "/mnt/snapshot/ZXA0FSKT/";
d4 = "/mnt/snapshot/X2N0A0AZFJDH/";
d5 = "/mnt/snapshot/53G0A2AXFJDH/";
d6 = "/mnt/snapshot/92F0A079FJDH/";
d7 = "/mnt/snapshot/X2N0A0AXFJDH/";
d8 = "/mnt/snapshot/43P0A00FFJDH/";
d9 = "/mnt/snapshot/ZA1D9307/";
d10 = "/mnt/snapshot/1EJZN6MZ/";
d11 = "/mnt/snapshot/1EKR513Z/";
d12 = "/mnt/snapshot/1EKVK21Z/";
};
contentFiles = [
"/mnt/snapraid1.content"
"/mnt/drives/43P0A00AFJDH/snapraid2.content"
"/mnt/drives/ZXA0MNRB/snapraid3.content"
];
exclude = excludes;
};
#imports = [ ./modules/snapraid.nix ];
#services.snapraidnew = {
# "8tb" = {
# arrayName = "8tb";
# enable = true;
# scrub.plan = 5;
# parityFiles = [
# "/mnt/drives/ZA1D9307/snapraid-8tb.parity"
# ];
# dataDisks = {
# d1 = "/mnt/drives/1EJZN6MZ";
# d2 = "/mnt/drives/1EKR513Z";
# d3 = "/mnt/drives/1EKVK21Z";
# };
# contentFiles = [
# "/mnt/snapraid-8tb1.content"
# "/mnt/drives/X2N0A0AZFJDH/snapraid-8tb2.content"
# ];
# exclude = excludes;
# };
# "18tb" = {
# enable = true;
# scrub.plan = 5;
# parityFiles = [
# "/mnt/drives/X2N0A0AZFJDH/snapraid.parity"
# ];
# dataDisks = {
# d1 = "/mnt/drives/43P0A00AFJDH";
# d2 = "/mnt/drives/43P0A00FFJDH";
# d3 = "/mnt/drives/92F0A079FJDH";
# d4 = "/mnt/drives/X2N0A0AXFJDH";
# d5 = "/mnt/drives/53J0A016FJDH";
# d6 = "/mnt/drives/ZVV072JR";
# d7 = "/mnt/drives/ZVV0688G";
# };
# contentFiles = [
# "/mnt/snapraid-18tb1.content"
# "/mnt/drives/ZA1D9307/snapraid-18tb2.content"
# ];
# exclude = excludes;
# };
#};
}
# vim: set et ts=2 sw=2 ai: