| Tool | Purpose | Availability | |------|---------|--------------| | xsanctl | Manage Xsan on macOS | Built‑in (macOS with Xsan client) | | cvfsck | Check/repair CVFS volume | Quantum StorNext package | | cvlabel | Display/manage volume labels | StorNext package | | asr | Block‑copy volumes | Built‑in macOS | | StorNext Client (Windows/Linux) | Cross‑platform access | Commercial (Quantum) | | Xray for Xsan | Forensic parsing | Third‑party (commercial) |
| Component | Role | |-----------|------| | | Manages file locking, directory structure, and allocation maps. | | Clients | Read/write data directly via SAN, but ask MDC for metadata. | | LUNs | Block devices (FC or iSCSI) shared among all nodes. | | FSM (File System Manager) | Apple’s management tool for creating/configuring Xsan volumes. | xsan filesystem access