spdk: add Notice for Disk

content/docs/1.5.0/spdk/_index.md

@@ -1,40 +1,4 @@
 ---
 title: V2 Data Engine (Preview Feature)
-weight: 3
+weight: 0
 ---
-
-## Platform Support
-
-Currently, V2 Data Engine only supports `x86_64` platform.
-
-## Feature Support
-
-- Volume lifecycle (creation, attachment, detachment and deletion)
-- Degraded volume
-- Offline replica rebuilding
-- Block disk management
-- Orphaned replica management
-
-In addition to the features mentioned above, additional functionalities such as replica number adjustment, online replica rebuilding, snapshot, backup, restore and so on will be introduced in future versions.
-
-## Prerequisites
-
-- x86-64 CPU with SSE4.2 instruction support
-
-- Required linux kernel modules
-  - uio
-  - uio_pci_generic
-  - nvme-tcp
-
-- HugePage support
-  - 1 GiB of 2 MiB-sized pages
-
-## Notice
-
-### CPU
-
-When the V2 Data Engine is enabled, each instance-manager pod utilizes **1 CPU core**. This high CPU usage is attributed to the `spdk_tgt` process running within each instance-manager pod. The spdk_tgt process is responsible for handling input/output (IO) operations and requires intensive polling. As a result, it consumes 100% of a dedicated CPU core to efficiently manage and process the IO requests, ensuring optimal performance and responsiveness for storage operations.
-
-### Memory
-
-SPDK utilizes huge pages to enhance performance and minimize memory overhead. To enable the usage of huge pages, it is necessary to configure 2MiB-sized huge pages on each Longhorn node. Specifically, **512 pages (equivalent to a total of 1 GiB)** need to be available on each Longhorn node.

content/docs/1.5.0/spdk/automatic-offline-replica-rebuilding.md

@@ -1,6 +1,6 @@
 ---
   title: Automatic Offline Replica Rebuilding
-  weight: 2
+  weight: 4
 ---
 
 ## Introduction

content/docs/1.5.0/spdk/features.md

@@ -0,0 +1,13 @@
+---
+title: Features
+weight: 1
+---
+
+- Volume lifecycle (creation, attachment, detachment and deletion)
+- Degraded volume
+- Offline replica rebuilding
+- Block disk management
+- Orphaned replica management
+
+In addition to the features mentioned above, additional functionalities such as replica number adjustment, online replica rebuilding, snapshot, backup, restore and so on will be introduced in future versions.
+

content/docs/1.5.0/spdk/performance-benchmark.md

@@ -1,6 +1,6 @@
 ---
   title: Performance Benchmark
-  weight: 3
+  weight: 5
 ---
 
 ## Environment

content/docs/1.5.0/spdk/prerequisites.md

@@ -0,0 +1,33 @@
+---
+title: Prerequisites
+weight: 2
+---
+
+## Prerequisites
+
+- x86-64 CPU with SSE4.2 instruction support
+  > NOTICE
+  > Currently, V2 Data Engine only supports `x86_64` platform.
+
+- Required linux kernel modules
+  - uio
+  - uio_pci_generic
+  - nvme-tcp
+
+- HugePage support
+  - 1 GiB of 2 MiB-sized pages
+
+## Notice
+
+### CPU
+
+When the V2 Data Engine is enabled, each instance-manager pod utilizes **1 CPU core**. This high CPU usage is attributed to the `spdk_tgt` process running within each instance-manager pod. The spdk_tgt process is responsible for handling input/output (IO) operations and requires intensive polling. As a result, it consumes 100% of a dedicated CPU core to efficiently manage and process the IO requests, ensuring optimal performance and responsiveness for storage operations.
+
+### Memory
+
+SPDK utilizes huge pages to enhance performance and minimize memory overhead. To enable the usage of huge pages, it is necessary to configure 2MiB-sized huge pages on each Longhorn node. Specifically, **512 pages (equivalent to a total of 1 GiB)** need to be available on each Longhorn node.
+
+
+### Disk
+
+**Local NVMe disks** are highly recommended for optimal storage performance of volumes using V2 Data Engine.

content/docs/1.5.0/spdk/quick-start.md

@@ -1,6 +1,6 @@
 ---
   title: Quick Start
-  weight: 1
+  weight: 3
 ---
 
 **Table of Contents**