Configure Multiple "Datastore Usage on Disk" Alarms in vCenter to Monitor Datastore Usage Aggressively

Products

• VMware vCenter Server

Issue/Introduction

• The "Datastore Usage on Disk" alarm in vCenter is a preconfigured alarm that monitors datastore disk utilization. It automatically triggers a warning or critical alert when the datastore usage exceeds the defined threshold.
• This article outlines the steps to configure multiple "Datastore Usage on Disk" alarms in vCenter, enabling more granular and proactive monitoring of datastore capacity.

Environment

VMware vCenter Server 8.x
VMware vSphere ESXi 8.x
VMware vCenter Server 7.x
VMware vSphere ESXi 7.x

Resolution

Steps:

• Login to vCenter server.
• Select the vCenter Server in the inventory.
• Click the Configure tab
• Click the Alarm Definitions tab.
• A preconfigured "Datastore usage on disk" alarm will appear.

To configure more alarms:

• Click ADD.
• Enter a custom Alarm Name.
• Set the Target type to "Datastores".
• Under the Rules section:
  • Add your desired condition.
  • Click "Add Another Rule" to define Rule.
  • Or click "Duplicate Rule" to quickly replicate and modify existing rules.

• Click NEXT to continue.
• Review the configuration.
• Click NEXT, then CREATE to finalize and activate the alarm.