diff --git a/hosts/common/seaweedfs.nix b/hosts/common/seaweedfs.nix
index 6464e7c..c9742cd 100644
--- a/hosts/common/seaweedfs.nix
+++ b/hosts/common/seaweedfs.nix
@@ -14,7 +14,10 @@ in
   services.seaweedfs.master = {
     enable = master_enabled;
     peers = attrValues masters;
-    extraConfig.ip = head (split ":" masters.${config.networking.hostName});
+    extraConfig = {
+      ip = head (split ":" masters.${config.networking.hostName});
+      defaultReplication = "001";
+    };
   };
   services.seaweedfs.filer = {
     enable = true;
@@ -25,6 +28,10 @@ in
       enable = true;
       mserver = attrValues masters;
       dir = [ "/persist/weed/volume-default" ];
+      extraConfig = {
+        dataCenter = "alo";
+        rack = "g";
+      };
     };
   };