Update Servers & Workflows/Linux/Virtualization/Proxmox/ZFS-Over-iSCSI.md

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Nicole Rappe
2024-02-14 19:35:15 -07:00
parent ebe1808c89
commit 2d2c565e96

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## 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
participant ProxmoxVE as ProxmoxVE Cluster
participant TrueNAS as TrueNAS Core
participant ZFS_Storage as ZFS Storage
participant ISCSI as iSCSI Server
participant GuestVM
participant Snapshot
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;
ProxmoxVE->>GuestVM: Create VM in ProxmoxVE
ProxmoxVE->>TrueNAS: SSH connection to create ZVol for GuestVM
TrueNAS->>ZFS_Storage: Create ZVol for GuestVM
TrueNAS->>ISCSI: Bind ZVol to iSCSI LUN
ProxmoxVE->>ISCSI: Connect to iSCSI Portal
ISCSI->>GuestVM: Attach ZVol as raw storage
ProxmoxVE->>TrueNAS: SSH connection to create snapshot of ZVol
TrueNAS->>Snapshot: Create Snapshot of ZVol associated with GuestVM
```
## All ProxmoxVE Cluster Nodes