Hitachi F700 - VSP F700 Internal Logic and Cache Specifications

Internal logic specications (CBL)
Item Specification
Control memory Flash memory: 32 MB
L3 cache memory: 4 MB
SDRAM: 1 GB
Data assurance method Data bus: Parity
Cache memory: ECC (1 bit correction, 2 bit
detection)
Drive: Data assurance code
Cache specications
Item Specification
Capacity (GB per controller) 512 GB
Control method Read LRU/Write after
Battery backup Provided
Backup duration
*
Unrestricted (Saving to a nonvolatile
memory)
*
Non-volatile data in the cache memory is protected against sudden power failure. The
backup operation writes data into a cache, even if a power interruption occurs, and
transferred to the cache ash memory.
Insulation performance
Item Specification
Insulation withstand voltage AC 1,500 V (100mA, 1min)
Insulation resistance DC 500 V, 10 MΩ or more
Electrical specifications
The electrical input power specications for the storage systems are described in the
following table.
Electrical
specications
Appendix B: System specications
Hitachi Virtual Storage Platform F700 Hardware Reference Guide 52