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3.3.3
Fault Tolerance
Table 3-5 shows the SRCU42X controllerfault tolerance features:
Table 3-5
Specification
Support for SMART
Optional Battery
Backup for Cache
Memory
Drive Failure
Detection
Drive Rebuild Using
Hot Spares
Parity Generation and
Checking
1. The Self Monitoring Analysis and Reporting Technology (SMART) detects up
3.3.4
Electrical Characteristics
This section provides the power requirements for the Intel RAID Controller SRCU42Xs.
Table 3-6 lists the maximum power requirements, which include SCSI TERMPWR, under
normal operation.
Table 3-6
Storage Adapter
Intel Raid
SRCU42X
3.3.5
Thermal and Atmospheric Characteristics
The Intel RAID Controller SRCU42X has the following thermal, atmospheric, and safety
characteristics.
•
•
•
•
The following parameters define the storage and transit environment for the Intel RAID
Controller SRCU42X:
•
•
Technical Specifications
Fault Tolerance Features
Intel Raid Controller SRCU42X
1
Yes
Yes. Up to 48 hours data retention.
Automatic
Automatic
Yes
to 70 percent of all predictable disk drive failures. SMART also monitors the
internal performance of all motors, heads, and drive electronics.
Maximum Power Requirements
PCI/PCI-X
+5.0 V
5 A
Temperature range: 0 °C to 55 °C (dry bulb)
Relative humidity range: 5% to 90% noncondensing
Maximum dew point temperature: 32 °C
Airflow must be sufficient to keep the heat sink temperature below 80 °C
Temperature range: − 40 °C to + 105 °C (dry bulb)
Relative humidity range: 5% to 90% noncondensing
PCI/PCI-X
PCI PRSNT1#/
+3.3 V
PRSNT2# Power Over the Operating Range
0.0 A
25 W
0 °C to 55 °C
29
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