VMware Aria Operations 8.17.1

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Create Metric Charts When You Troubleshoot a Virtual Machine Problem

You create a custom group of metric charts when you troubleshoot a problem with a virtual machine so that you can compare different metrics. The level of detail that you can create using the
All Metrics
 tab, can contribute significantly to your effort to find the root cause of a problem.
As an administrator investigating a performance problem with a virtual machine, you determined that you must see detailed charts about the following reported symptoms.
  • Guest file system overall disk space usage reaching critical limit
  • Guest partition disk space usage
The following method of evaluating problems using the
All Metrics
 tab is provided as an example for using
VMware Aria Operations
 and is not definitive. Your troubleshooting skills and your knowledge of the particulars of your environment determine which methods work for you.
  1. Enter the name of the virtual machine in the
    Search
     text box on the menu bar.
    In this example, the virtual machine name is
    sales-10-dk
    .
  2. Click the
    All Metrics
     tab.
  3. In the relationship topology map, click the virtual machine,
    dk-new-10
    .
    The metrics list, located in the left of the center pane, displays virtual machine metrics.
  4. On the chart toolbar, click
    Date Control
     and select a time that is on or before the symptoms were triggered.
  5. Add metric charts to the display area for the virtual machine.
    1. In the metric list, select
      Guest Files System Stats
      Total Guest File System Free (GB)
       and double-click the metric name.
    2. To add the guest partition, for example, C:\, select
      Guest Files System Stats
      C:\
      Guest File System Free (GB)
       and double-click the metric name.
    3. To add disk space for comparison, select
      Disk Space
      Capacity Remaining (%)
       and double-click the metric name.
  6. Compare the charts.
    You can see a decrease in the file system free space, and that the virtual machine disk space capacity remaining is decreasing at a steady rate. You determine that you must add disk space to the virtual machine. However, you do not know if the datastore can support the change to the virtual machine.
  7. Add the datastore capacity chart to the charts.
    1. In the topology map, double-click the host.
      The topology map refreshes with the host as the focus object.
    2. Click the datastore.
    3. In the metric list, which is updated to display datastore metrics, select
      Capacity
      Available Space (GB)
       and double-click the metric name.
  8. To determine if sufficient capacity is available on the datastore to support increasing the disk space on the virtual machine, review the datastore capacity chart.
You know that you must increase the size of the virtual disk on the virtual machine.
Expand the virtual disk on the virtual machine and assign it to stressed partitions. Click
Actions
, on the object title bar, and view the virtual machine in the
vSphere
 Web Client.

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