From ebe1808c89a4beac2c08d911ca0a18612a37d1c8 Mon Sep 17 00:00:00 2001
From: Nicole Rappe <cyberstrawberry101@gmail.com>
Date: Wed, 14 Feb 2024 19:33:35 -0700
Subject: [PATCH] Update Servers &
 Workflows/Linux/Virtualization/Proxmox/ZFS-Over-iSCSI.md

---
 .../Virtualization/Proxmox/ZFS-Over-iSCSI.md  | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Servers & Workflows/Linux/Virtualization/Proxmox/ZFS-Over-iSCSI.md b/Servers & Workflows/Linux/Virtualization/Proxmox/ZFS-Over-iSCSI.md
index 4ff4b70..fd8d6de 100644
--- a/Servers & Workflows/Linux/Virtualization/Proxmox/ZFS-Over-iSCSI.md	
+++ b/Servers & Workflows/Linux/Virtualization/Proxmox/ZFS-Over-iSCSI.md	
@@ -10,6 +10,28 @@
 
     Secondly, this guide assumes the ProxmoxVE cluster nodes and TrueNAS server exist on the same network `192.168.101.0/24`.
 
+## ZFS over iSCSI Operational Flow
+``` mermaid
+sequenceDiagram
+    graph LR
+        A[ProxmoxVE Cluster] -->|Create VM| B[GuestVM]
+        A -->|SSH to TrueNAS| C[TrueNAS Core]
+        C -->|Create ZVol for GuestVM| D[ZFS Storage]
+        C -->|Bind ZVol to iSCSI LUN| E[ISCSI Server]
+        A -->|Connect to iSCSI Portal| E
+        E -->|Attach ZVol as raw storage| B
+        A -->|Take snapshot of GuestVM| F[Snapshot]
+        A -->|SSH to TrueNAS for Snapshot| C
+        C -->|Create Snapshot of ZVol| F
+
+        classDef machine fill:#f9f,stroke:#333,stroke-width:2px;
+        class A,B,machine;
+        classDef storage fill:#ccf,stroke:#333,stroke-width:2px;
+        class D,E,F,storage;
+        classDef network fill:#cfc,stroke:#333,stroke-width:2px;
+        class C,network;
+```
+
 ## All ProxmoxVE Cluster Nodes
 ### Configure SSH Key Exchange
 The first step is creating SSH trust between the ProxmoxVE cluster nodes and the TrueNAS storage appliance.  You will leverage the ProxmoxVE `shell` to run the following commands.