Procedure: Fixing node errors
To fix node errors that are detected by node canisters in your system, use this
procedure.
About this task
Node errors are reported in the service assistant when a node detects erroneous
conditions in a node canister.
Procedure
1. Carry out “Procedure: Getting node canister and system information using the
service assistant” on page 53 to understand the state of each node.
2. If possible, log into the management GUI and use the monitoring page to run
the recommended fix procedure.
a. Follow the fix procedure instructions to completion.
b. Repeat this step for each subsequent recommended fix procedure.
3. If it is not possible to access the management GUI, or no recommended actions
are listed, refer to Reference > Messages and codes > Event IDs Error event IDs
and error codes from the Information Center and follow the identified user
response for each reported node error.
Procedure: Changing the service IP address of a node canister
This procedure identifies many methods that you can use to change the service IP
address of a node canister.
About this task
When you change an IPv4 address, you change the IP address, the subnet, mask,
and gateway. When you change an IPv6 address, you change the IP address,
prefix, and gateway.
Which method to use depends on the status of the system and the other node
canisters in the system. Follow the methods in the order shown until you are
successful in setting the IP address to the required value.
You can set an IPv4 address, an IPv6 address, or both, as the service address of a
node. Enter the required address correctly. If you set the address to 0.0.0.0 or
0000:0000:0000:0000:0000:0000:0000, you disable the access to the port on that
protocol.
Procedure
Change the service IP address.
v Use the control enclosure management GUI when the system is operating and
the system is able to connect to the node with the service IP address that you
want to change.
1. Select Settings > Network from the navigation.
2. Select Service IP Addresses.
3. Complete the panel. Be sure to select the correct node to configure.
Chapter 6. Resolving a problem 61
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