Hitachi VSP User and Reference Guide
1–10
Introduction
Table 1-1 Virtual Storage Platform Specifications
Item Size Single Module Dual Module
Maximum Capacity
5
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 on page 1-11.
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
RAID1 2D+2D, 4D+4D
RAID5 3D+1P, 7D+1P
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
2
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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