temp save

go/proto/system_message.proto

@@ -13,6 +13,24 @@ message VolumeInformationMessage {
     optional uint32 ttl = 10;
 }
 
+enum VolumeTask {
+    Vacuum = 0;
+    Replicate = 1;
+}
+
+enum VolumeTaskStatus {
+    Working = 0;
+    Completed = 1;
+    Failed = 2;
+}
+
+message BusyVolume {
+    required uint32 id = 1;
+    required VolumeTask task = 2;
+    required VolumeTaskStatus status = 3;
+    required int64 start_time = 4;
+}
+
 message JoinMessage {
     optional bool   is_init = 1;
     required string ip = 2;
@@ -24,4 +42,5 @@ message JoinMessage {
     optional string rack = 8;
     repeated VolumeInformationMessage volumes = 9;
     optional uint32 admin_port = 10;
+    repeated BusyVolume busy_volumes = 11;
 }