Viewing System Performance

To view the HPE Aruba Networking Central On-Premises system performance, complete the following steps:

1. In the HPE Aruba Networking Central On-Premises app Short form for application. It generally refers to the application that is downloaded and used on mobile devices. , set the filter to Global.

2. Under Maintain, click System Management > Performance.

   The Performance tab displays the following components:

   • Central System—The Central System section displays the overall status of all the appliances, Central Processing Units, memory units, and data storage units. For more information, see Central System Status.
   • Appliance Resources—The Appliance Resources table displays details such as the percentage of CPU Central Processing Unit.  A CPU is an electronic circuitry in a computer for processing instructions. and memory utilization, status of the appliances in the cluster, percentage of disk space usage, and so on. For more information, see Appliance Resources.
   • Service Monitoring—The Service Monitoring table displays details such as the status of various deployments, the number of restarts undergone by the services, and the age of the services, and so on. For more information, see Service Monitoring.
   • Logs—The Logs table displays the various log files that are related to the appliances and services. The table also displays the time and date at which the log files were created. For more information, see Appliance Resources.
   • System Operations—The System Operations table displays details of various system operations running across the cluster. For more information, see System Operations.

Central System Status

The Central System section displays the following details:

• Appliance Status—The Appliance Status indicates whether the overall status of the appliances in the cluster is Good, Fair, Poor, or Not Available.
• CPU Status—The CPU Status indicates whether the overall status of the processing units usage is Good, Fair, Poor, or Not Available
• Memory Status—The Memory Status indicates whether the overall status of the memory units usage is Good, Fair, Poor, or Not Available.
• Disk Status—The Disk Status indicates whether the overall status of the disk usage is Good, Fair, Poor, or Not Available.

Appliance Resources

The Appliance Resources section displays a table with the following columns:

• Appliance—The Appliance column displays the FQDN Fully Qualified Location Name. FQLN is a device location identifier in the format: APname.Floor.Building.Campus. of the appliance in the cluster.
• Status—The Status column displays the status of the appliance as Up, Down, Add Node in Progress, Add Node Failed, Replace Node in Progress, or Replace Node Failed.
• CPU—The CPU column displays the percentage of CPU utilization of the appliance in the cluster.
• Memory—The Memory column displays the percentage of memory usage of the appliance in the cluster.
• Storage—The Storage column displays the percentage of storage utilization of the appliance in the cluster.
• Disk (Read)—The Disk (Read) column displays the percentage of disk utilization for the read operation.
• Disk(Write)—The Disk(Write) column displays the percentage of disk utilization for the write operation.
• Network Usage Up—The data transmitted from the appliance measured in bytes.
• Network Usage Down—The data received by the appliance measured in bytes.
• Uptime—The Uptime column displays the total duration for which the appliance was operational.

Clicking the at the top right corner of the table pops up the Add Appliance Resource page. Enter the number of appliances to be added to the cluster along with corresponding FQDNs of the appliances and click Add.

You can click the icon and select or de-select the columns required to be displayed in the table.

You can restart the appliance and generate logs by clicking the and icons, respectively.

To replace a device, click the icon corresponding to the device. The Replace Appliance Resource page pops up. Enter the FDQN of the new appliance and click Replace.

Service Monitoring

The Appliance Resources section displays a table with the following columns:

• Deployment—The Deployment column displays the various deployment services running in the cluster.
• Appliance—The Appliance column displays the FQDN of the appliance in which the service is running.
• Namespace—The Namespace column displays the namespace of the services.
• Status—The Status column displays the status of the service as Up, Down, or Partially Up.
• Restarts—The Restarts column displays the number of restarts that the services have undergone.
• Age—The Age column displays the time duration for which the services were operational.

Click the icon at the top right corner of the Service Monitoring table to generate log files related to all the listed services.

• You can restart the service, and generate logs related to a specific service in the Service Monitoring table by clicking the and icons, respectively.

Log Files

The Logs section displays a table with the following columns:

• File—The File column displays the name of the log file that is generated.
• Type—The Type column displays whether the file is readable for a single pod log or non-readable format snapshot for global level logs.
• Created—The Created column displays the time and date at which the log files were created.

You can click the icon and select or clear the columns required to be displayed in the table.

To download a specific log file, hover the mouse over the row in the Logs table and click the icon.

To delete a specific log file, hover the mouse over the row in the Logs table and click the icon.

System Operations

The following processes are termed as system operations:

• Upgrade

• Backup and restore

• Migration

• Add node

• Replace node

• Reboot node

When any system operation is in progress, the All system operations will be disabled till the active system operation is complete message is displayed. It indicates that another system operation cannot be performed.

Figure 1  Example of a System Operation

The System Operations section displays a table with the following columns:

• Operation Type—The Operation Type column displays the type of operation running on the cluster.
• Status—The Status column displays the current status of the system operations such as Success, Failed, In Progress, or Timeout.
• More Details—The More Details column displays additional details about the system operation status.
• Start Time—The Start Time column displays the timestamp at which the system operation was initiated.
• End Time—The End Time column displays the timestamp at which the system operation was completed.

Figure 2  System Operations Table