Power outage/Abrupt shutdown of Aria operations appliance triggering '"High memory workload caused by Guest Memory Needed metric not being collected" alert for VM objects.

Products

• VMware Aria Suite

Issue/Introduction

Alert "High memory workload caused by Guest Memory Needed metric not being collected" is triggered due to Memory|Workload% metrics in Aria operations is higher than the guest OS Memory usage in VM.

Environment

Aria Operations 8.16.x

Cause

Aria operations stops collecting Virtual Machine guest stats through VMware tools. Memory|Utilization metric falls back to using Memory|Consumed rather than guest needed memory.

Resolution

Follow the steps to start recollecting the VM guest stats through VMware tools:

• Put host in maintenance mode and power cycle the host.
• Restart VM-tools on virtual machine.

Additional Information

• KB: Memory Usage % Metric may show much higher than the guest OS utilization in vRealize Operations Manager 6.7 and later versions
• VMware BLOG: Enhancements to Virtual Machine Memory Metrics in vRealize Operations