MAP4E20 RIO Topology tool
Use the RIO Topology Tool menu option to check the status of the RIO loops.
MAP4E20 Section-1
Procedure
- Display the RIO topology status.
- From the navigation area, click Storage Facility Management > storage facility.
- From the bottom Task area, click Service Utilities > View Hardware Topology.
- The RIO Topology window is displayed. See Figure 1.
Note:
- The upper half of the window displays the Current RIO Topology.
- The lower half of the window displays the last Valid RIO Topology.
Figure 1. Window: RIO topology 
- Check the
LeadingPort Status and TrailingPort Status columns to determine the
state of each RIO interface port/node (connection). Note:
- A port status of Operational is normal.
- A port status other than Operational indicates a problem that needs to be repaired.
- A repair that causes a CEC enclosure to be powered off will, of course, power off those RIO nodes and non-operational status would be expected. After repairs are complete, check the port status again.
- If no repairs are in progress and the port status is not Operational, continue at the next step.
- Does the tool indicate an
open RIO loop?
- Yes, observe the RIO loop cables and connections. If a RIO cable is found unplugged, misplugged or damaged, correct that now and then return to step 3 above. The RIO cable can be hot plugged without using a guided service procedure. If no visual symptom is found, continue at the next step.
- No, continue with the next step.
- A serviceable event should have been created. Repair that serviceable event now. If there are no related serviceable events, contact your next level of support.