Inspect optical fiber cables and SFPs regularly. Minor optical drops cause packet retransmissions, drastically lowering filesystem performance.
Since Xsan is built into macOS, ensuring that the MDC and the clients are running compatible versions of the OS is vital for filesystem health. Best Practices for Managing Access xsan filesystem access
To safely detach the file system from the client: sudo xsanctl unmount Use code with caution. Permissions and Security Inspect optical fiber cables and SFPs regularly