3-2
Backplane User's Guide
The SC933EL2 Backplane has two expanders which allow effective failover and
recovery.
3-2 Failover
Single Host Bus Adapter
In a single host bus configuration, the
backplane connects to one Host Bus
Adapter (HBA).
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
PRI_EEPROM
A3
A2
A1
SAS HBA
Port A
Port B
SAS HBA
Single Host Bus Adapter
Failover
If the Expander or data path in Port A
fails, the system will automatically fail
over to Port B.
SAS HBA
SAS HBA
Dual Host Bus Adapter
In a Dual Host Bus Configuration, the
backplane connects to two Host Bus
Adapters (HBA).
Dual Host Bus Adapter
Failover
If the Expander or data path in Port A
fails, the system will automatically fail
over to Port B. This maintains a full
connection to all drives.
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
PRI_EEPROM
A3
A2
A1
Port A
Port B
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
PRI_EEPROM
A3
A2
A1
Port A
Port B
SAS HBA
SAS HBA
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
PRI_EEPROM
A3
A2
A1
Port A
Port B
Summary of Contents for Supero SC933E1-R760B
Page 4: ...SC933 Chassis Manual iv Notes ...
Page 6: ...SC933 Chassis Manual vi Notes ...
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Page 14: ...SC933 Chassis Manual 1 4 Notes ...
Page 32: ...SC933 Chassis Manual 4 10 Figure 4 5 Placing the System Fan ...
Page 36: ...SC933 Chassis Manual 4 14 Notes ...
Page 43: ...5 7 Chapter 5 Rack Installation Figure 5 4 Installing the Outer Rails to the Server Rack ...
Page 46: ...xxx Chassis Manual 2 Notes ...
Page 52: ...SC933 Chassis Manual B 2 Notes ...