vSphere 6.0 – create a new alarm for snapshots using the vSphere Web Client

 

We all know that snapshots can be dangerous if left to grow out of control – they will fill the datastore!.  I always like to try and mitigate this risk by creating a new alarm definition to generate an alert if a snapshot grows to a particular size.  An administrator can then act accordingly.  Here are the steps required to do this in the vSphere Web Client:

  1. In the Navigator pane select the vCenter node
  2. On the Manage tab open the Alarm Definitions page
  3. Click the Add button
  4. Enter a name and a description, ensure the Monitor drop-down menu is set to "Virtual Machines" and the "Specific conditions or state, for example CPU" option is selected.  Click Next

    New_Alarm_Definition_1

  5. Click Add, change the Trigger value to "VM snapshot size" and enter appropriate values for the warning and critical conditions.  Click Next

    New_Alarm_Definition_2

  6. If required, click Add to send a notification email and configure the recipient address

    New_Alarm_Definition_3

  7. Click Finish
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