Promise Technology VTrak J610S Manual Pagina 51

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Chapter 2: VTrak Installation
33
SAS DAS – No Single Point of Failure – JBOD Expansion
Serial Attached SCSI (SAS) Direct Attached Storage (DAS) with no single point
of failure requires:
Two SAS HBA cards in each Host PC or Server
A network switch
A network interface card (NIC) in each Host PC or Server
Data Path
To establish the data path:
1. Connect a SAS data IN port on the LEFT controller to the SAS HBA card in
the first Host PC or Server.
See page 34, Figure 21. And see page 35, Figure 22.
2. Connect the other SAS data IN port on the LEFT controller to the SAS HBA
card in the second Host PC or Server.
3. Connect a SAS data IN port on the RIGHT controller to the SAS HBA card in
the first Host PC or Server.
4. Connect the other SAS data IN port on the RIGHT controller to the SAS HBA
card in the second Host PC or Server.
Management Path
To establish the management path:
1. Connect the Management ports on both VTrak controllers to your network
switch.
2. Connect the NICs in both Host PCs or Servers to your network switch.
Expansion
To expand the number of disk drives:
1. Connect the SAS expansion port on the LEFT controller to the SAS data IN
port on LEFT I/O module of the first JBOD unit.
See page 34, Figure 21. And see page 35, Figure 22.
2. Connect the SAS expansion port on the RIGHT controller to the SAS data IN
port on RIGHT I/O module of the first JBOD unit.
3. Connect the SAS data OUT port on LEFT I/O module of the first JBOD unit
to the SAS data IN port on LEFT I/O module of the next JBOD unit.
Important
For a list of supported SAS HBAs, download the latest
compatibility list from the Promise support website.
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