User guide

A–2 Specifications
Hitachi Unified Storage VM Block Module Hardware User Guide
System specifications
The following table lists the system specifications of the HUS VM storage
system.
Table A-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
Maximum Number of Flash Drives 128 *1
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
FICON 2/4/8 GB 80/16
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 A-2: Drive Specifications on page A-3.
Management Processor
Cores
Quantity 16 cores
MP configuration
Minimum/maximum
host I/O modules 2 min, 4 with drives, 8 with no
drives max
1
back-end I/O modules 0 or 2 / 43
Cache 2 / 8
Switches /CSW 2 / 4