update new config formart and fix desc

Author: guangbochen

docs/install/harvester-configuration.md

@@ -58,7 +58,8 @@ install:
       hwAddr: "B8:CA:3A:6A:64:7C"
     method: dhcp
   force_efi: true
-  device: /dev/vda
+  device: /dev/sda
+  data_disk: /dev/sdb
   silent: true
   iso_url: http://myserver/test.iso
   poweroff: true
@@ -409,6 +410,8 @@ Force EFI installation even when EFI is not detected. Default: `false`.
 
 The device to install the OS.
 
+Prefer to use `/dev/disk/by-id/$id` or `/dev/disk/by-path/$path` to specify the storage device if your machine contains multiple physical volumes via pxe installation.
+
 ### `install.silent`
 
 Reserved.
@@ -506,6 +509,8 @@ _Available as of v1.0.1_
 
 Sets the default storage device to store the VM data.
 
+Prefer to use `/dev/disk/by-id/$id` or `/dev/disk/by-path/$path` to specify the storage device if your machine contains multiple physical volumes via pxe installation.
+
 Default: Same storage device as the one set for [`install.device`](#installdevice)
 
 #### Example
@@ -515,9 +520,9 @@ install:
   data_disk: /dev/sdb
 ```
 
-### `install.harvester.storageClass.replicaCount`
+### `install.harvester.storage_class.replica_count`
 
-_Available as of v1.0.2_
+_Available as of v1.1.2_
 
 #### Definition
 
@@ -527,7 +532,7 @@ Default: 3
 
 Supported values: 1, 2, 3. All other values are considered 3.
 
-In edge scenarios where users may deploy single-node Harvester clusters, they can set this value to 1. In most scenarios, it is recommended to keep the default value 3 for system high availability.
+In edge scenarios where users may deploy single-node Harvester clusters, they can set this value to 1. In most scenarios, it is recommended to keep the default value 3 for storage high availability.
 
 Please refer to [longhorn-replica-count](https://longhorn.io/docs/1.4.1/references/settings/#default-replica-count) for more details.
 
@@ -536,17 +541,17 @@ Please refer to [longhorn-replica-count](https://longhorn.io/docs/1.4.1/referenc
 ```yaml
 install:
   harvester:
-    storageClass:
-      replicaCount: 1
+    storage_class:
+      replica_count: 1
 ```
 
-### `install.harvester.longhorn.defaultSettings.guaranteedEngineManagerCPU`
+### `install.harvester.longhorn.default_settings.guaranteedEngineManagerCPU`
 
-_Available as of v1.0.2_
+_Available as of v1.2.0_
 
 #### Definition
 
-Sets the default storage class replica count.
+Sets the default percentage of the total allocatable CPU on each node will be reserved for each Longhorn engine manager Pod.
 
 Default: 12
 
@@ -564,17 +569,17 @@ Before setting the value, please refer to [longhorn-guaranteed-engine-manager-cp
 install:
   harvester:
     longhorn:
-      defaultSettings:
+      default_settings:
         guaranteedEngineManagerCPU: 6
 ```
 
-### `install.harvester.longhorn.defaultSettings.guaranteedReplicaManagerCPU`
+### `install.harvester.longhorn.default_settings.guaranteedReplicaManagerCPU`
 
-_Available as of v1.0.2_
+_Available as of v1.2.0_
 
 #### Definition
 
-Sets the default storage class replica count.
+Sets the default percentage of the total allocatable CPU on each node will be reserved for each Longhorn replica manager Pod.
 
 Default: 12
 
@@ -592,7 +597,7 @@ Before setting the value, please refer to [longhorn-guaranteed-replica-manager-c
 install:
   harvester:
     longhorn:
-      defaultSettings:
+      default_settings:
         guaranteedReplicaManagerCPU: 6
 ```
 

versioned_docs/version-v1.1/install/harvester-configuration.md

@@ -58,7 +58,8 @@ install:
       hwAddr: "B8:CA:3A:6A:64:7C"
     method: dhcp
   force_efi: true
-  device: /dev/vda
+  device: /dev/sda
+  data_disk: /dev/sdb
   silent: true
   iso_url: http://myserver/test.iso
   poweroff: true
@@ -409,6 +410,8 @@ Force EFI installation even when EFI is not detected. Default: `false`.
 
 The device to install the OS.
 
+Prefer to use `/dev/disk/by-id/$id` or `/dev/disk/by-path/$path` to specify the storage device if your machine contains multiple physical volumes via pxe installation.
+
 ### `install.silent`
 
 Reserved.
@@ -506,6 +509,8 @@ _Available as of v1.0.1_
 
 Sets the default storage device to store the VM data.
 
+Prefer to use `/dev/disk/by-id/$id` or `/dev/disk/by-path/$path` to specify the storage device if your machine contains multiple physical volumes via pxe installation.
+
 Default: Same storage device as the one set for [`install.device`](#installdevice)
 
 #### Example
@@ -515,6 +520,31 @@ install:
   data_disk: /dev/sdb
 ```
 
+### `install.harvester.storage_class.replica_count`
+
+_Available as of v1.1.2_
+
+#### Definition
+
+Sets the replica count of Harvester's default storage class `harvester-longhorn`.
+
+Default: 3
+
+Supported values: 1, 2, 3. All other values are considered 3.
+
+In edge scenarios where users may deploy single-node Harvester clusters, they can set this value to 1. In most scenarios, it is recommended to keep the default value 3 for storage high availability.
+
+Please refer to [longhorn-replica-count](https://longhorn.io/docs/1.4.1/references/settings/#default-replica-count) for more details.
+
+#### Example
+
+```yaml
+install:
+  harvester:
+    storage_class:
+      replica_count: 1
+```
+
 ### `system_settings`
 
 #### Definition