Update lhv2 volume expansion doc

docs/volume/edit-volume.md

@@ -25,7 +25,13 @@ _Available as of v1.6.0_
 
 To minimize downtime, Harvester allows you to expand volumes that are attached to a running virtual machine or have a PVC that is attached to a running pod in the guest cluster. Depending on the underlying storage provider, you may need to take extra steps to use this feature.
 
-- **Longhorn**: Harvester considers Longhorn to have support for online volume expansion, even if differences exist between versions of the Longhorn Data Engine. Currently, the V1 Data Engine fully supports online volume expansion, while the V2 Data Engine does not support volume expansion at all (regardless of the volume's attachment state).
+- **Longhorn**: Both the V1 and V2 Data Engines support online volume expansion.
+
+  :::info important
+
+  Before expanding a volume, check its status on the **Volumes** screen of the Harvester UI and resolve any warnings, such as `Precheck new replica failed: disks are unavailable`. Volume expansion may fail if these warnings are not addressed.
+
+  :::
 
 - **Third-party storage**: Harvester rejects online volume expansion requests for third-party storage by default. If you have confirmed that your storage provider supports online volume expansion, you can use the [`csi-online-expand-validation`](../advanced/settings.md#csi-online-expand-validation) setting to mark that storage provider as validated.
 
@@ -51,4 +57,4 @@ If you specify a size larger than Longhorn's capacity during the expansion, the
 The StorageClass of an existing volume cannot be changed. However, you can change the StorageClass while restoring a new volume from the snapshot by following the steps below:
 
 1. [Take a volume snapshot](./volume-snapshots.md#create-volume-snapshots).
-2. Select StorageClass when [restoring the volume using snapshot](./volume-snapshots.md#restore-a-new-volume-from-a-volume-snapshot).
+2. Select StorageClass when [restoring the volume using snapshot](./volume-snapshots.md#restore-a-new-volume-from-a-volume-snapshot).

versioned_docs/version-v1.7/volume/edit-volume.md

@@ -25,7 +25,13 @@ _Available as of v1.6.0_
 
 To minimize downtime, Harvester allows you to expand volumes that are attached to a running virtual machine or have a PVC that is attached to a running pod in the guest cluster. Depending on the underlying storage provider, you may need to take extra steps to use this feature.
 
-- **Longhorn**: Harvester considers Longhorn to have support for online volume expansion, even if differences exist between versions of the Longhorn Data Engine. Currently, the V1 Data Engine fully supports online volume expansion, while the V2 Data Engine does not support volume expansion at all (regardless of the volume's attachment state).
+- **Longhorn**: Both the V1 and V2 Data Engines support online volume expansion.
+
+  :::info important
+
+  Before expanding a volume, check its status on the **Volumes** screen of the Harvester UI and resolve any warnings, such as `Precheck new replica failed: disks are unavailable`. Volume expansion may fail if these warnings are not addressed.
+
+  :::
 
 - **Third-party storage**: Harvester rejects online volume expansion requests for third-party storage by default. If you have confirmed that your storage provider supports online volume expansion, you can use the [`csi-online-expand-validation`](../advanced/settings.md#csi-online-expand-validation) setting to mark that storage provider as validated.
 
@@ -51,4 +57,4 @@ If you specify a size larger than Longhorn's capacity during the expansion, the
 The StorageClass of an existing volume cannot be changed. However, you can change the StorageClass while restoring a new volume from the snapshot by following the steps below:
 
 1. [Take a volume snapshot](./volume-snapshots.md#create-volume-snapshots).
-2. Select StorageClass when [restoring the volume using snapshot](./volume-snapshots.md#restore-a-new-volume-from-a-volume-snapshot).
+2. Select StorageClass when [restoring the volume using snapshot](./volume-snapshots.md#restore-a-new-volume-from-a-volume-snapshot).

versioned_docs/version-v1.8/volume/edit-volume.md

@@ -25,7 +25,13 @@ _Available as of v1.6.0_
 
 To minimize downtime, Harvester allows you to expand volumes that are attached to a running virtual machine or have a PVC that is attached to a running pod in the guest cluster. Depending on the underlying storage provider, you may need to take extra steps to use this feature.
 
-- **Longhorn**: Harvester considers Longhorn to have support for online volume expansion, even if differences exist between versions of the Longhorn Data Engine. Currently, the V1 Data Engine fully supports online volume expansion, while the V2 Data Engine does not support volume expansion at all (regardless of the volume's attachment state).
+- **Longhorn**: Both the V1 and V2 Data Engines support online volume expansion.
+
+  :::info important
+
+  Before expanding a volume, check its status on the **Volumes** screen of the Harvester UI and resolve any warnings, such as `Precheck new replica failed: disks are unavailable`. Volume expansion may fail if these warnings are not addressed.
+
+  :::
 
 - **Third-party storage**: Harvester rejects online volume expansion requests for third-party storage by default. If you have confirmed that your storage provider supports online volume expansion, you can use the [`csi-online-expand-validation`](../advanced/settings.md#csi-online-expand-validation) setting to mark that storage provider as validated.
 
@@ -51,4 +57,4 @@ If you specify a size larger than Longhorn's capacity during the expansion, the
 The StorageClass of an existing volume cannot be changed. However, you can change the StorageClass while restoring a new volume from the snapshot by following the steps below:
 
 1. [Take a volume snapshot](./volume-snapshots.md#create-volume-snapshots).
-2. Select StorageClass when [restoring the volume using snapshot](./volume-snapshots.md#restore-a-new-volume-from-a-volume-snapshot).
+2. Select StorageClass when [restoring the volume using snapshot](./volume-snapshots.md#restore-a-new-volume-from-a-volume-snapshot).