User guide

4–14 Site preparation
Hitachi Unified Storage VM Block Module Hardware User Guide
Environmental specifications
Table 4-11: HUS VM environmental specifications on page 4-14provides the
environmental specifications and requirements for the HUS VM storage
system.
Table 4-11: HUS VM environmental specifications
FC SFP for 8Gbps
Shortwave
DW-F700-1US 0.44 / 0.2 - - -
FC SFP for 8Gbps
Longwave
DW-F700-1UL 0.44 / 0.2 - - -
DF-F850-SC3 0.88 / 0.4 - - -
back-end I/O module DF-F850-SC5 1.76 / 0.8 - - -
host I/O module (FC 8G) DF-F850-HF8GR 1.32 / 0.6 11 10 -
Cache Memory (4GB) DF-F850-4GB 0.44 / 0.2 3 3 -
Cache Memory (8GB) DF-F850-8GB 0.66 / 0.3 4 4 -
Cache Flash Memory
(160 GB)
DW-F700-BM160 0.7 / 0.32
5
2
5
2
Drive (300GB SAS SFF) DF-F850-3HGSSH 0.66 / 0.3
7.9
3
7.9
3
-
Drive (600GB SAS SFF) DF-F850-6HGSS 0.66 / 0.3
7.8
3
7.8
3
-
Drive (900GB SAS SFF) DF-F850-9HGSS 0.66 / 0.3
8.1
3
8.1
3
-
Drive (3TB SAS LFF) DF-F850-3TNX 1.98 / 0.9
13,4
3
13,4
3
-
Drive (200GB SAS SSD
SFF)
DF-F850-2HGDM 0.55 / 0.25
5.5
3
5.5
3
-
Drive (400GB SAS SSD
SFF)
DF-F850-4HGDM 0.55 / 0.25
5.8
3
5.8
3
-
Notes:
1. Maximum values with all fans running at maximum speed.
2. Power is consumed during the battery back-up time only. The standby power is included in DW700-
CBX.
3. Actual values at a typical I/O condition. (Random Read and Write, 50 IOPSs for HDD, 2500 IOPSs
for SSD, Data Length: 8k bytes) These values may increase for future compatible drives.
Component Name.
Component
Model No.
Weight
(lb/Kg)
Power
Consumption
(VA)
Heat
Output
Airflow
(cubic
meters/sec)
Item Operating Not Operating In Storage
Temperature
(ºF / ºC)
SFF drive box
50 to 104 / 10 to 40
-18 - 122 / -10 to -50 -45 - 110 / -30 to 60
Relative Humidity (%)1 20 to 80 8 to 90 5 to 95
Max. Wet Bulb (ºF / ºC) 78.8 / 26 80.6 / 27 84.2 / 29
Temperature deviation
per hour) (ºF / ºC)
50 / 10 50 / 10 68 / 20
Temperature
(ºF / ºC)
SFF drive box
50 to 104 / 10 to 40
-18 - 122 / -10 to -50 -45 - 110 / -30 to 60