Update Servers/Virtualization/Proxmox/Configuring iSCSI-based Cluster Storage.md

Servers/Virtualization/Proxmox/Configuring iSCSI-based Cluster Storage.md

@@ -176,7 +176,7 @@ iscsiadm -m session -P 3
 lsblk
 ```
 
-## Create Shared LVM (One Node Only)
+## Create Shared LVM (Execute on One Node Only)
 
 !!! warning "Important"
     **Only run LVM creation on ONE node**. All other nodes will only scan.
@@ -199,10 +199,11 @@ vgscan
 ### Add Storage (GUI)
 **Datacenter → Storage → Add → LVM**
 
-- ID: `iscsi-lvm`
+- ID: `iscsi-cluster-lvm`
 - Volume Group: `vg_proxmox_iscsi`
 - Content: `Disk image, Container`
 - Shared: ✔️
+- Allow Snapshots as Volume-Chain: ✔️
 
 ## Validation