Node canister ports

Each node canister has a number of ports for connecting cables and USB flash memory devices.

Figure 1. Storwize® V3700 node canister ports
Storwize V3700 node canister ports
  •  1  Ethernet port 1 (1 Gbps).
  •  2  Ethernet port 2 (1 Gbps).
  •  3  SAS ports 1-3. Used to attach hosts, and DS3200 and DS3500 storage for migration purposes.
  •  4  SAS port 4. Used to connect expansion enclosures.
  •  5  Service port. Do not connect a cable to this port.
  •  6  USB port 1.
  •  7  USB port 2.

SAS port 4 is used to connect to expansion enclosures. A SAS link consists of four lanes, called phys. This port is a mini-SAS HD socket. When plugging a SAS cable into this port, orient the connector so that the blue release tag is below the connector (as shown in Figure 2).

Figure 2. SAS cable connectors
SAS cable connectors