
Chapter 2: VTrak Installation
29
SAS Cascaded Storage
Serial Attached SCSI (SAS) 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
Data Path
To establish the data path:
1. Connect a SAS data IN port on the VTrak controller to your SAS HBA card.
See Figures 17, 18, and 19 on the following pages.
2. Connect a SAS data OUT port of the first VTrak to a SAS data IN port on the
next VTrak.
3. Connect the remaining VTrak controllers in the same manner.
You can cascade up to eight VTrak subsystems.
Management Path
To establish the management path:
1. On the VTrak controller, connect the Management Port on each Controller to
your network switch. See page 31, Figure 19.
2. Connect the Host PC’s or Server’s standard NIC to your network switch.
Figure 17. VTrak E610s and E310s data and management ports
Important
For a list of supported SAS HBAs, download the latest
compatibility list from the Promise support website.
SAS data OUT port
SAS data IN port
SAS data OUT port
SAS data IN port
SAS expansion
port (to JBOD)
Management port
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