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VTrak E-Class Quick Start Guide
18
Configuring Cascaded Storage
Cascaded storage requires:
• One SAS HBA card in the Host PC or Server
• A network switch
• A network interface card (NIC) in the Host PC or Server
To establish the data path:
1. On the VTrak controller, connect a SAS data port or a SAS data/cascade
port to your SAS HBA card. See Figure 17.
2. Connect the data/cascade port (a subtractive-routed port) of the first E310s
to the data port (a table-routed port) on the second E310s.
3. Connect the remaining E310s controllers in the same manner.
You can cascade up to eight VTrak subsystems.
To establish the management path:
1. On the VTrak controller, connect the Management Port on each Controller to
your network switch. See Figure 18.
2. Connect the Host PC’s or Server’s standard NIC to your network switch.
Figure 17. VTrak E310s cascaded data connections
Mgmt
UPS
115200
8 N 1
Mgmt
UPS
115200
8 N 1
Mgmt
UPS
115200
8 N 1
O
I
O
I
O
I
SAS data port
E310s
SAS data/
cascade port
E310s
E310s
Host PC or Server
SAS data port
SAS data/
cascade port
SAS data port