Pin Kernel 5.4 to 5.4.209-116.367 to prevent nodes from going into Un…

…ready (#1072) We're investigating issues with later Kernel versions which cause nodes to become Unready. Till those issues are resolved, pinning the Kernel to the last known good version.
awslabs · Oct 31, 2022 · ff27e24 · ff27e24
1 parent 3b6b523
commit ff27e24
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/scripts/upgrade_kernel.sh b/scripts/upgrade_kernel.sh
@@ -13,7 +13,12 @@ fi
 if [[ $KERNEL_VERSION == "4.14" ]]; then
     sudo yum update -y kernel
 elif [[ $KERNEL_VERSION == "5.4" ]]; then
-    sudo amazon-linux-extras install -y kernel-5.4
+    # Pinning Kernel to 5.4.209-116.367 since we're investigating issues with later Kernel versions which cause nodes to become Unready.
+    # sudo amazon-linux-extras install -y kernel-5.4
+    sudo amazon-linux-extras enable kernel-5.4=latest
+    sudo yum -y install kernel-5.4.209-116.367.amzn2
+    sudo yum install -y yum-plugin-versionlock
+    sudo yum versionlock kernel-5.4*
 elif [[ $KERNEL_VERSION == "5.10" ]]; then
     sudo amazon-linux-extras install -y kernel-5.10
 else