From d2f6501e3ce31b10c5d15f3e9bb599607c931db2 Mon Sep 17 00:00:00 2001
From: JoyinQ <56883733+Joyinqin@users.noreply.github.com>
Date: Mon, 26 Apr 2021 16:25:58 +0800
Subject: [PATCH] cherry pick #5435 to release-4.0

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
---
 pd-control.md                 | 4 ++++
 tidb-binlog/binlog-control.md | 4 ++++
 tidb-control.md               | 4 ++++
 tikv-control.md               | 8 ++++++++
 4 files changed, 20 insertions(+)

diff --git a/pd-control.md b/pd-control.md
index f16a2d60d841d..c0a0a40f5afac 100644
--- a/pd-control.md
+++ b/pd-control.md
@@ -10,6 +10,10 @@ As a command line tool of PD, PD Control obtains the state information of the cl
 
 ## Install PD Control
 
+> **Note:**
+>
+> It is recommended that the version of the Control tool you use is consistent with the version of the cluster.
+
 ### Use TiUP command
 
 To use PD Control, execute the `tiup ctl pd -u http://<pd_ip>:<pd_port> [-i]` command.
diff --git a/tidb-binlog/binlog-control.md b/tidb-binlog/binlog-control.md
index 6f1b71a1bfb3d..284b8e07ef2dd 100644
--- a/tidb-binlog/binlog-control.md
+++ b/tidb-binlog/binlog-control.md
@@ -22,6 +22,10 @@ The following are its usage scenarios:
 
 ## Download `binlogctl`
 
+> **Note:**
+>
+> It is recommended that the version of the Control tool you use is consistent with the version of the cluster.
+
 {{< copyable "shell-regular" >}}
 
 ```bash
diff --git a/tidb-control.md b/tidb-control.md
index a41648128a104..a7bd7a3ad0f4e 100644
--- a/tidb-control.md
+++ b/tidb-control.md
@@ -12,6 +12,10 @@ TiDB Control is a command-line tool of TiDB, usually used to obtain the status i
 
 You can get TiDB Control by installing it using TiUP or by compiling it from source code.
 
+> **Note:**
+>
+> It is recommended that the version of the Control tool you use is consistent with the version of the cluster.
+
 ### Install TiDB Control using TiUP
 
 After installing TiUP, you can use `tiup ctl tidb` command to get and execute TiDB Control.
diff --git a/tikv-control.md b/tikv-control.md
index b99c19ec30327..7a55c43eb101b 100644
--- a/tikv-control.md
+++ b/tikv-control.md
@@ -12,7 +12,15 @@ TiKV Control (`tikv-ctl`) is a command line tool of TiKV, used to manage the clu
 * If the cluster is deployed using TiUP, `tikv-ctl` directory is in the in `~/.tiup/components/ctl/{VERSION}/` directory.
 
 ## Use TiKV Control in TiUP
+<<<<<<< HEAD
  
+=======
+
+> **Note:**
+>
+> It is recommended that the version of the Control tool you use is consistent with the version of the cluster.
+
+>>>>>>> 70a6d90f... ctl: add a note for all ctl docs (#5435)
 `tikv-ctl` is also integrated in the `tiup` command. Execute the following command to call the `tikv-ctl` tool:
 
 {{< copyable "shell-regular" >}}