Hitachi 88-02-0 Series Hardware Reference Manual page 71

RAID specifications
Item
*
RAID level
RAID configuration
Maximum number of parity groups
Maximum volume size
Maximum volumes/host groups and iSCSI
targets
Maximum volumes/parity groups
*
A storage system configured with RAID6, RAID 5, or RAID 1 provides redundancy and
enhances data reliability. However, there is still a possibility of losing data caused by
unforeseeable hardware or software failure. Users should always follow recommended
best practices and back up all data.
Internal logic specifications (CBL)
Item
Control memory
Data assurance method
Appendix B: System specifications
Hitachi Virtual Storage Platform G900 Hardware Reference Guide
VSP G900 mechanical specifications
Specification
SAS/SAS7.2K/Flash drive mounted: 1/5/6
RAID1: 2D+2D, 4D+4D
RAID5: 3D+1P, 4D+1P, 6D+1P, 7D+1P
RAID6: 6D+2P, 12D+2P, 14D+2P
480
3 TB (when using the LDEVs of other
Storage Systems: 4TB)
2048
2048
Specification
Flash memory: 32 MB
L3 cache memory: 4 MB
SDRAM: 1 GB
Data bus: Parity
Cache memory: ECC (1 bit correction, 2 bit
detection)
Drive: Data assurance code
71