VSP Virtual Storage Platform


Hitachi Virtual Storage Platform, also known as VSP was first introduced in September, 2010.
This storage platform builds on the design of Universal Storage Platform V, originally released in 2007.
At the heart of the system is the HiStar E-Network, a fifth-generation network crossbar switch matrix.
This storage platform is made up of different technologies than USP and USP V.
The connectivity to back-end disks is via 6Gbit/s SAS links instead of 4Gbit/s Fibre Channel loop.
The internal processors are now Intel multi-core processors, and in addition to 3.5-inch drives support has been added for 2.5 inch small-form factor HDDs. The VSP supports SSD, SAS and SATA drives.

Notable features include:

  • The ability to scale in 3 dimensions (3D Scaling) which allows for infrastructure growth on three axes.
    • Scale up to meet increasing demands by dynamically adding processors, connectivity and capacity in a single unit. This enables tuning the configuration for optimal performance for both open systems and mainframe environments.
    • Scale out to meet demands by dynamically combining multiple units into a single logical system with shared resources. Support increased needs in virtualized server environments and ensure safe multitenancy and quality of service through partitioning of cache and ports.
    • Scale deep to extend the advanced functions of Hitachi Virtual Storage Platform to multivendor storage through virtualization. Offload less-critical data to external tiers in order to optimize the availability of the tier one resources.
  • Supports automated storage tiering, known as Dynamic Tiering, to automate the movement of data between tiers to optimize performance.
  • Front to back cooling airflow for more efficient cooling
  • Improved capacity per square foot and lower power consumption compared to the USP V.
  • Enables virtualization of external SAN storage from Hitachi and other vendors into one pool
  • Supports online local and distance replication and migration of data nondisruptively internally and between heterogeneous storage, without interrupting application I/O through use of products such as Tiered Storage Manager, ShadowImage, TrueCopy and Universal Replicator.
  • Single image global cache accessible across all virtual storage directors for maximum performance.
  • Automated wide-striping of data, which allows pool balancing and lets volume grow or shrink dynamically.
  • The system can scale between one and six 19-inch rack cabinets. It can hold a maximum of 2,048 SAS high-density 2.5-inch drives for 1.2 petabytes of capacity, or 1,280 3.5-inch SATA drives for a maximum capacity of 2.5 petabytes.
  • Supports thin provisioning and storage reclamation on internal and external virtualized storage
  • Provides encryption, WORM and data shredding services, data resilience and business continuity services and content management services.
Item Size Single Module Dual Module
Maximum Capacity* Internal 1 294 TB 589 TB
External 247  PB 247 PB
Maximum number of


64k 64k
Supported drives See Table 1-2 Drive Specifications below.
Cache memory capacity Min 64 GB

Max 512 GB

Min 128 GB

Max 1 TB

Cache flash memory capacity Min 64 GB

Max 512 GB

RAID Level RAID1, RAID 5,  RAID  6
RAID Group


RAIDI 2D+2D, 4D+4D
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) 64 (2WL*32)
Number of ports per installation  unit FC 2/4/8 GB 80  (96 * 1)/ 16,8 176 ( 192 * 1)/ 16,8
FICON 2/4/8 GB 80/ 16 176/16
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

256  (2.5-inch HDD)

160  (3.5-inch HDD)

Maximum number of


4 if drives installed

6 if diskless

8 if drives installed

12 if diskless

Channel I/F Mainframe 1/2/4 GBps Fibre Channel: 16MFS/16MFL

2/4/8 GBps Fibre Channel: 16MUS/ 16MUL

Open-systems 2/4/8  GBps  Fibre  Shortwave:


Management  Processor


Quantity 16 cores 32 cores
Virtual Storage Director



FEDs 6 6 2
BEDs 0  or 2 / 43 2 /  8
Cache 2 /  8 2 /  16
Switches /CSW 2 / 4 4 /  8

1.   When  300  GB is mounted

2.   All  FED  configuration,   no  BEDs  (diskless  system)

3.   Zero  BEDs in a  diskless  configuration,  two  BEDs  min  if drives  are  installed

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Remote maintenance Our exclusive remote maintenance solution performs real-time monitoring of your equipment and MICS alert when an incident occurs

Trained and certified technical staff MICS highly qualified and certified technical staff can provide support services for equipment maintenance and repair services for the Hitachi Universal Storage Platform USP V. Our contracts and maintenance services typically cost 50-70% less than what charge the original manufacturers.

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