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author | Gregor Kleen <gkleen@yggdrasil.li> | 2022-02-19 15:05:25 +0100 |
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committer | Gregor Kleen <gkleen@yggdrasil.li> | 2022-02-19 15:05:25 +0100 |
commit | 6f82f965a742d2013d9bab578a4d83fa37526902 (patch) | |
tree | 33809fa53d7b8c71d2ebd0f88f90e23c738f3616 /hosts | |
parent | e3ae43ac32b6d267dcb6acfa1dd5256136b4656b (diff) | |
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vidhar: zfssnap...
Diffstat (limited to 'hosts')
-rw-r--r-- | hosts/vidhar/zfs.nix | 62 |
1 files changed, 2 insertions, 60 deletions
diff --git a/hosts/vidhar/zfs.nix b/hosts/vidhar/zfs.nix index f5a0383a..bee4e88a 100644 --- a/hosts/vidhar/zfs.nix +++ b/hosts/vidhar/zfs.nix | |||
@@ -1,32 +1,5 @@ | |||
1 | { pkgs, lib, config, ... }: | 1 | { pkgs, lib, config, ... }: |
2 | let | 2 | { |
3 | snapshotNames = ["frequent" "hourly" "daily" "monthly" "yearly"]; | ||
4 | snapshotCount = { | ||
5 | frequent = 24; | ||
6 | hourly = 24; | ||
7 | daily = 30; | ||
8 | monthly = 12; | ||
9 | yearly = 5; | ||
10 | }; | ||
11 | snapshotTimerConfig = { | ||
12 | frequent = { OnCalendar = "*:0/5 UTC"; Persistent = true; }; | ||
13 | hourly = { OnCalendar = "hourly UTC"; Persistent = true; }; | ||
14 | daily = { OnCalendar = "daily UTC"; Persistent = true; }; | ||
15 | monthly = { OnCalendar = "monthly UTC"; Persistent = true; }; | ||
16 | yearly = { OnCalendar = "yearly UTC"; Persistent = true; }; | ||
17 | }; | ||
18 | snapshotDescr = { | ||
19 | frequent = "few minutes"; | ||
20 | hourly = "hour"; | ||
21 | daily = "day"; | ||
22 | monthly = "month"; | ||
23 | yearly = "year"; | ||
24 | }; | ||
25 | |||
26 | zfs = config.boot.zfs.package; | ||
27 | |||
28 | autosnapPackage = pkgs.zfstools.override { inherit zfs; }; | ||
29 | in { | ||
30 | config = { | 3 | config = { |
31 | fileSystems = { | 4 | fileSystems = { |
32 | "/boot" = | 5 | "/boot" = |
@@ -136,38 +109,7 @@ in { | |||
136 | echo "=== ZPOOL IMPORT COMPLETE ===" | 109 | echo "=== ZPOOL IMPORT COMPLETE ===" |
137 | ''; | 110 | ''; |
138 | 111 | ||
139 | systemd.services = | 112 | services.zfssnap.enable = true; |
140 | let mkSnapService = snapName: { | ||
141 | name = "zfs-snapshot-${snapName}"; | ||
142 | value = { | ||
143 | description = "ZFS auto-snapshot every ${snapshotDescr.${snapName}}"; | ||
144 | after = [ "zfs-import.target" ]; | ||
145 | serviceConfig = { | ||
146 | Type = "oneshot"; | ||
147 | ExecStart = "${autosnapPackage}/bin/zfs-auto-snapshot -k -p -u ${snapName} ${toString snapshotCount.${snapName}}"; | ||
148 | }; | ||
149 | restartIfChanged = false; | ||
150 | |||
151 | preStart = '' | ||
152 | ${zfs}/bin/zfs set com.sun:auto-snapshot=true hdd-raid6/safe | ||
153 | ${zfs}/bin/zfs set com.sun:auto-snapshot=false hdd-raid6/safe/home/mherold/eos/base | ||
154 | ${zfs}/bin/zfs set com.sun:auto-snapshot=true ssd-raid1/safe | ||
155 | ${zfs}/bin/zfs set com.sun:auto-snapshot=true boot | ||
156 | ''; | ||
157 | }; | ||
158 | }; | ||
159 | in builtins.listToAttrs (map mkSnapService snapshotNames); | ||
160 | |||
161 | systemd.timers = | ||
162 | let mkSnapTimer = snapName: { | ||
163 | name = "zfs-snapshot-${snapName}"; | ||
164 | value = { | ||
165 | wantedBy = [ "timers.target" ]; | ||
166 | timerConfig = snapshotTimerConfig.${snapName}; | ||
167 | }; | ||
168 | }; | ||
169 | in builtins.listToAttrs (map mkSnapTimer snapshotNames); | ||
170 | |||
171 | services.zfs.trim.enable = false; | 113 | services.zfs.trim.enable = false; |
172 | services.zfs.autoScrub = { | 114 | services.zfs.autoScrub = { |
173 | enable = true; | 115 | enable = true; |