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26 Use activities and alerts to troubleshoot errors

Basic troubleshooting techniques

HP CloudSystem has a variety of troubleshooting tools you can use to resolve issues. By following

a combined approach of examining screens and logs, you can obtain a history of activity and the

errors encountered.

• The Activity screen displays a log of all changes made on the appliance, whether user-initiated

or appliance-initiated. It is similar to an audit log, but with finer detail and it is easier to access

from the UI.

The Activity screen also provides a log of health alerts and status notifications.

• Download an audit log to help you understand what security relevant actions took place on

the system.

• Create a support dump file to gather logs and other information required for debugging into

an encrypted, compressed file that you can send to your authorized support representative

for analysis.

DetailsRecommendation

About syntax errors:

• The user interface checks for syntax when you enter a value. If you make a syntax error,

an instructional message appears next to the entry. The user interface or command line

continues to display messages until you enter the correct value.

About network setup errors:

Look for a message

• Before applying them, the appliance verifies key network parameters like the IP address

and the fully qualified domain name (FQDN), to ensure that they have the proper format.

• After network settings are applied, the appliance performs additional validation, such as

reachability checks and host name to IP lookup. If a parameter is incorrect, the appliance

generates an alert that describes validation errors for the Network Interface Card (NIC),

and the connection between the browser and the appliance can be lost.

To find a message for an activity:

Examine the Activity

screen

1. Locate recent activities with a severity of Critical, Warning, or Unknown.

2. Read the message for problem identification and potential solutions.

3. Expand the activity to add notes to the activity details.

When VM host is down or nonresponsive:

Examine the appliance

virtual machine

1. From the local computer, use the ping command to determine if you can reach the

appliance.

• If the ping command is successful, determine that the browser settings, especially the

proxy server, are correct.

Consider bypassing the proxy server.

• If the ping command did not reach the appliance, ensure that the appliance is connected

to the network.

2. Log onto hypervisor to verify that the hypervisor is running.

3. Verify that the virtual guest for the appliance is operational.

4. Ensure that the VM host configuration is valid.

Verify the accuracy of the IP address and other network parameters for the VM host.

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