ntfy-alerts: suppress notifications for sanoid

modules/ntfy-alerts.nix

@@ -97,6 +97,10 @@ in
         };
       };
 
+      # TODO: sanoid's ExecStartPre runs `zfs allow` which blocks on TXG sync;
+      # on the hdds pool (slow spinning disks + large async frees) this causes
+      # 30+ minute hangs and guaranteed timeouts.
+      "sanoid".unitConfig.OnFailure = lib.mkForce "";
     };
 
     # Global OnFailure drop-in for all services

modules/zfs.nix

@@ -64,7 +64,7 @@ in
       yearly = 0;
     };
 
-    datasets."${service_configs.zpool_ssds}/services/jellyfin_cache" = {
+    datasets."${service_configs.zpool_ssds}/services/jellyfin/cache" = {
       recursive = true;
       autoprune = true;
       autosnap = true;