VSP Virtual Storage Plateform

HDS

Hitachi Virtual Storage Platform , également connu sous le nom VSP a été introduit en Septembre 2010 .
Cette plate-forme de stockage repose sur la conception de l'Universal Storage Platform V , sorti en 2007 .
Au cœur du système; le HiSTAR E -Network , une matrice de commutation crossbar réseau de cinquième génération .
Cette plate-forme de stockage est constitué de technologies différentes de l'USP et l'USP V.
La connectivité back-end des disques se fait via les liens 6Gbit / s SAS au lieu de Fibre Channel de 4 Gbits / .
Les processeurs internes sont désormais les processeurs Intel multi-core , et en plus des disques 3,5 pouces, le support des disques 2,5 pouces à faible facteur de forme a été ajouté. Le VSP supporte les SSD, SAS et SATA .

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 volumes 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

Configuration

RAIDI 2D+2D, 4D+4D
RAIDS 3D+ IP, 7D+ IP
RAID6 6D+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) 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 FEDs 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:

8UFC/ 16UFC

Management  Processor

Cores

Quantity 16 cores 32 cores
Virtual Storage Director

configuration

Minimum/maximum

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

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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