Hitachi VSP N800 - RAID Specifications; Shared Memory and Data Assurance

Item Component Specification
Maximum number of hosts using a Fibre Channel switch 255
Maximum number of hosts using a network switch 255
RAID specifications
D: Data drive, P: Parity drive.
Although the storage system with a configuration of RAID 1, RAID 5, or RAID 6 provides data
reliability enhanced by redundancy, there is a chance that user data could be lost due to an
unexpected host, storage system hardware, or software failure. Therefore, users are
requested to back up all data.
RAID Level SAS, SAS 7.2k, flash drives mounted
RAID 1 2D+2D, 4D+4D
RAID 5 3D+1P, 4D+1P, 6D+1P, 7D+1P
RAID 6 6D+2P, 12D+2P, 14D+2P
Item Specification
Maximum number of RAID groups 480
Maximum volume size 3 TB (or 4 TB when using the LDEVs of
other storage systems)
Maximum volumes/host groups and iSCSI
targets
2048
Maximum volumes/parity groups 2048
Shared memory and data assurance
VSP N800 mechanical specifications
Appendix A: Mechanical specifications for VSP N800
VSP N800 Hardware Reference Guide 61