From 241da1a002fdd8a579f019a28372d88cf589f4ee Mon Sep 17 00:00:00 2001
From: Kohei Hakoishi <8944787+wipiano@users.noreply.github.com>
Date: Thu, 2 Apr 2026 16:33:25 +0900
Subject: [PATCH] interpreting server_mode field (to support Valkey 8+ cluster)

---
 src/StackExchange.Redis/AutoConfigureInfoField.cs              | 3 +++
 src/StackExchange.Redis/ResultProcessor.cs                     | 1 +
 .../AutoConfigureInfoFieldUnitTests.cs                         | 1 +
 3 files changed, 5 insertions(+)

diff --git a/src/StackExchange.Redis/AutoConfigureInfoField.cs b/src/StackExchange.Redis/AutoConfigureInfoField.cs
index 9d30b3ae5..7420bb02f 100644
--- a/src/StackExchange.Redis/AutoConfigureInfoField.cs
+++ b/src/StackExchange.Redis/AutoConfigureInfoField.cs
@@ -37,6 +37,9 @@ internal enum AutoConfigureInfoField
 
     [AsciiHash("valkey_version")]
     ValkeyVersion,
+
+    [AsciiHash("server_mode")]
+    ServerMode,
 }
 
 /// <summary>
diff --git a/src/StackExchange.Redis/ResultProcessor.cs b/src/StackExchange.Redis/ResultProcessor.cs
index 62991373d..56e1973cc 100644
--- a/src/StackExchange.Redis/ResultProcessor.cs
+++ b/src/StackExchange.Redis/ResultProcessor.cs
@@ -920,6 +920,7 @@ protected override bool SetResultCore(PhysicalConnection connection, Message mes
                                             }
                                             break;
                                         case AutoConfigureInfoField.RedisMode:
+                                        case AutoConfigureInfoField.ServerMode:
                                             if (ServerTypeMetadata.TryParse(valSpan, out var serverType))
                                             {
                                                 server.ServerType = serverType;
diff --git a/tests/StackExchange.Redis.Tests/AutoConfigureInfoFieldUnitTests.cs b/tests/StackExchange.Redis.Tests/AutoConfigureInfoFieldUnitTests.cs
index ce4ce853b..dd6b38a1d 100644
--- a/tests/StackExchange.Redis.Tests/AutoConfigureInfoFieldUnitTests.cs
+++ b/tests/StackExchange.Redis.Tests/AutoConfigureInfoFieldUnitTests.cs
@@ -14,6 +14,7 @@ public class AutoConfigureInfoFieldUnitTests
     [InlineData("run_id", (int)AutoConfigureInfoField.RunId)]
     [InlineData("garnet_version", (int)AutoConfigureInfoField.GarnetVersion)]
     [InlineData("valkey_version", (int)AutoConfigureInfoField.ValkeyVersion)]
+    [InlineData("server_mode", (int)AutoConfigureInfoField.ServerMode)]
     public void TryParse_CharSpan_KnownFields(string value, int expected)
     {
         Assert.True(AutoConfigureInfoFieldMetadata.TryParse(value.AsSpan(), out var actual));