Hitachi Universal Storage Platform V User Manual

2-8 Architecture and Components
Hitachi Universal Storage Platform V/VM User and Reference Guide
Table 2-1 Front-End Director and Channel Specifications
Parameter Specifications
Number of front-end director features USP V: 1 – 8, 14 when FEDs are installed in BED slots
USP VM: 1 – 3
Simultaneous data transfers per FED pair:
FICON
ExSA (ESCON)
Fibre-channel
8
8
8, 16
Maximum data transfer rate:
FICON
ExSA (ESCON)
Fibre-channel
400 MB/sec (4 Gbps)
17 MB/sec
400 MB/sec (4 Gbps)
Physical interfaces per FED pair:
FICON
ExSA (ESCON)
Fibre-channel
8
8
8, 16
Max. physical FICON interfaces per system USP V: 112
USP VM: 24
Max. physical ExSA interfaces per system USP V: 112
USP VM: 24
Max. physical FC interfaces per system USP V: 224
USP VM: 48
Logical paths per FICON port 2105 emulation: 65,536 (1024 host paths × 64 CUs)
2107 emulation: 261,120 (1024 host paths x 255 CUs)
Logical paths per ExSA (ESCON) port 512 (32 host paths × 16 CUs) *
Maximum FICON logical paths per system 2105 emulation: 131,072
2107 emulation: 522,240
Maximum ExSA logical paths per system 8,192
Maximum logical paths per CU 2,048
Maximum LUs per fibre-channel port 2,048
Maximum LDEVs per storage system 65,280 (256 LDEVs x 255 CUs)
*Note: When the number of devices per CHL image is limited to a maximum of 1024, 16 CU images
can be assigned per CHL image. If one CU includes 256 devices, the maximum number of CUs per CHL
image is limited to 4.

Hitachi Universal Storage Platform V Specifications

General

Brand	Hitachi
Model	Universal Storage Platform V
Category	Storage
Language	English