Hitachi Unified Storage VM, Product Overview Manual

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Hardware overview
2–7
Hitachi Unified Storage VM Product Overview Guide
Specifications
The following tables provide general specifications of the Unified Storage VM
system. Additional specifications are located in Appendix A, Specifications,
in the Hitachi Unified Storage VM Block Module Hardware User Guide .
Table 2-1 HUS VM system specifications
Item Specifications
System Maximum Storage Capacity 3,383TB (3TB-SAS HDD used)
Number of Disk Drives Min: 4 (disk-in model)
0 (diskless model)
Max: 1,152 (2-1.2-in and 3-1/2 in)
Maximum Number of Flash Drives
128
1
Maximum Number of Flash Module
Drives 96
Maximum Number of Spare Drives 64
Maximum Number of LDEVs / volumes 16,384
Supported RAID Levels
RAID1, RAID 5, RAID 6
RAID Group
Configuration RAID1: 2D+2D, 4D+4D
RAID5: 3D+1P, 7D+1P
RAID6: 6D+2P,14D+2P
Internal Path Architecture:
Hierarchical Star Net
Maximum Bandwidth:
Cache Path = 128 GB/s
Control Path = 64 GB/s
Back-end Path SAS 6G: 32 (2WL*6)
Memory Cache memory capacity 32 GB, 64 GB, 96 GB, 128 GB
Cache flash memory capacity 160 GB
Number of ports per
installation unit FC 2/4/8 GB 80 (96 *1)/16,8
Device I/F Controller chassis-drive chassis
Interface SAS/Dual Port
Data transfer rate Max. 6 GBps
Maximum number of HDD per SAS I/F 144
Number of DKB PCB
4
Channel I/F Open-systems 2/4/8 GBps Fibre Shortwave:
8UFC/16UFC
Data Transfer Rate (MB/s, Fibre
Channel) 200/400/800
Supported drives See Table 2-2 Drive Specifications on page 2-8 .
Management Processor
Cores Quantity 16 cores