1 files changed, 11 insertions, 0 deletions
diff --git a/weed/pb/volume_server.proto b/weed/pb/volume_server.proto
index b7a3caade..bf45d2bc2 100644
--- a/weed/pb/volume_server.proto
+++ b/weed/pb/volume_server.proto
@@ -107,6 +107,10 @@ service VolumeServer {
 
     rpc VolumeNeedleStatus (VolumeNeedleStatusRequest) returns (VolumeNeedleStatusResponse) {
     }
+
+    rpc Ping (PingRequest) returns (PingResponse) {
+    }
+
 }
 
 //////////////////////////////////////////////////
@@ -573,3 +577,10 @@ message VolumeNeedleStatusResponse {
     uint32 crc = 5;
     string ttl = 6;
 }
+
+message PingRequest {
+    string target = 1; // default to ping itself
+    string target_type = 2;
+}
+message PingResponse {
+}