Expansion Canister Ports And Indicators; Sas Ports And Leds In Rear Of Expansion - IBM Storwize V7000 Troubleshooting And Maintenance Manual

The WWPNs are derived from the worldwide node name (WWNN) that is allocated to the Storwize
V7000 node in which the ports are installed. The WWNN for each node is stored within the enclosure.
When you replace a node canister, the WWPNs of the ports does not change.
The WWNN is in the form 50050768020XXXXX, where XXXXX is specific to a Storwize V7000 enclosure.
The WWPNs are in the form 50050768020QXXXXX, where XXXXX is as previously stated and Q is the
port number.

Expansion canister ports and indicators

An expansion canister is one of two canisters that is located in the rear of the expansion enclosure. The
expansion canister has no controls.
There is a diagnostic port on the left of the canister. There are no indicators that are associated with the
port. There are no defined procedures that use the port.
Note: The reference to the left and right locations applies to canister 1, which is the upper canister. The
port locations are inverted for canister 2, which is the lower canister.
Expansion canister SAS ports and indicators
Two SAS ports are located in the rear of the expansion canister.
The SAS ports are numbered 1 on the left and 2 on the right as shown in Figure 17. Use of port 1 is
required. Use of port 2 is optional. Each port connects four data channels.
Note: The reference to the left and right locations applies to canister 1, which is the upper canister. The
port locations are inverted for canister 2, which is the lower canister.
Figure 17. SAS ports and LEDs in rear of expansion enclosure
1 Port 1, 6 Gbps SAS port and LEDs
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2 Port 2, 6 Gbps SAS port and LEDs
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Storwize V7000 Version 6.1.0: Troubleshooting, Recovery, and Maintenance Guide
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