- redundant power supplies and fans
- two hot-swappable management modules
- multiple Ethernet and Fibre Channel HBA interfaces.
Similarly, Hitachi Virtual Storage Platform family storage arrays offer redundant hardware components such as dual controllers, redundant frontend and back-end I/O modules, and power supply units. Storage design followed by Hitachi Data Systems for SAP HANA solutions use striping and parity to provide redundancy for automatic recovery from disk failures.