Fault Tolerance; Electrical Characteristics; Thermal And Atmospheric Characteristics; Fault Tolerance Features - Intel SRCU42E - Ultra320 SCSI PCI Express X8 RAID Storage Controller Hardware User's Manual

3.3.3

Fault Tolerance

Table 3-5 shows the RAID Controller SRCU42E fault 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
Table 3-6 lists the maximum power requirements, which include SCSI TERMPWR, under
normal operation.
Table 3-6
RAID Controller
Intel
Controller
SRCU42E
3.3.5

Thermal and Atmospheric Characteristics

The Intel
characteristics.
•
•
•
•
The following parameters define the storage and transit environment for the Intel
Controller SRCU42E:
•
•
Technical Specifications

Fault Tolerance Features

Intel Raid Controller SRCU42E
1
Yes
Yes. Up to 72 hours of data retention for 128 Mbyte
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 Express
+3.3 V
®
RAID 1.5 A
®
RAID Controller SRCU42E has the following thermal, atmospheric, and safety
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 Express PCI PRSNT1#/
12 V PRSNT2# Power
1.4 A without battery
1.6 A when battery is
charging
®
RAID Controller SRCU42E.
Over the
Operating Range
25 W 0 °C to 55 °C
30
®
RAID