From 23a4a3767779d2c95b01787a5db25e88a9ca770e Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Mon, 17 Oct 2022 14:17:34 +0800
Subject: [PATCH] enh: not allowed to start when disk space unavailable

---
 source/dnode/mgmt/node_mgmt/src/dmEnv.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/source/dnode/mgmt/node_mgmt/src/dmEnv.c b/source/dnode/mgmt/node_mgmt/src/dmEnv.c
index 076826ebc2..becefcd6a0 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmEnv.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmEnv.c
@@ -51,6 +51,7 @@ static int32_t dmInitMonitor() {
 
 static bool dmCheckDiskSpace() {
   osUpdate();
+  // sufficiency
   if (!osDataSpaceSufficient()) {
     dWarn("free data disk size: %f GB, not sufficient, expected %f GB at least", (double)tsDataSpace.size.avail / 1024.0 / 1024.0 / 1024.0, (double)tsDataSpace.reserved / 1024.0 / 1024.0 / 1024.0);
   }
@@ -60,7 +61,21 @@ static bool dmCheckDiskSpace() {
   if (!osTempSpaceSufficient()) {
     dWarn("free temp disk size: %f GB, not sufficient, expected %f GB at least", (double)tsTempSpace.size.avail / 1024.0 / 1024.0 / 1024.0, (double)tsTempSpace.reserved / 1024.0 / 1024.0 / 1024.0);
   }
-  return true;
+  // availability
+  bool ret = true;
+  if (!osDataSpaceAvailable()) {
+    dError("data disk space unavailable, i.e. %s", tsDataDir);
+    ret = false;
+  }
+  if (!osLogSpaceAvailable()) {
+    dError("log disk space unavailable, i.e. %s", tsLogDir);
+    ret = false;
+  }
+  if (!osTempSpaceAvailable()) {
+    dError("temp disk space unavailable, i.e. %s", tsTempDir);
+    ret = false;
+  }
+  return ret;
 }
 
 static bool dmCheckDataDirVersion() {