Hitachi 88-06-0x - Page 72

RAID specications
Item Specification
RAID level
*
SAS/SAS7.2K/Flash drive mounted: 1/5/6
RAID conguration RAID1: 2D+2D, 4D+4D
RAID5: 3D+1P, 4D+1P, 6D+1P, 7D+1P
RAID6: 6D+2P, 12D+2P, 14D+2P
Maximum number of parity groups 480
Maximum volume size 3 TB (when using the LDEVs of other
Storage Systems: 4TB)
Maximum volumes/host groups and iSCSI
targets
2048
Maximum volumes/parity groups 2048
*
A storage system congured 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 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
VSP G900 mechanical specications
Appendix B: System specications
Hitachi Virtual Storage Platform G900 Hardware Reference Guide 72