Foglight for VMware 5.8.1 - User and Reference Guide

Rule Definition
Conditions	State	Action
When the virtual machine requests CPU cycles, it is only not receiving them 2 percent or less of the time.	Normal	None
When the virtual machine requests CPU cycles, it is not receiving them greater than 2 percent but no greater than 8 percent of the time.	Warning	None
When the virtual machine requests CPU cycles, it is not receiving them greater than 8 percent but no greater than 12 percent of the time.	Critical	Send email to VMware administrator
When the virtual machine requests CPU cycles, it is not receiving them greater than 12 percent of the time.	Fatal	Send email to VMware administrator

Views Displaying Alarms Based on this Rule

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Action panel

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Alarms List view

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Alarms Overview

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Quick-View

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Related Objects views

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Virtual Environment Overview

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Virtual Infrastructure view

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VMware Explorer Primary view

Virtual Machine Rules

This section lists and describes the virtual machine rules.

Rules in this section:

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VMW Virtual Machine Active Vs. Granted Memory

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VMW Virtual Machine Balloon Memory Deflation

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VMW Virtual Machine Balloon Memory Target

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VMW Virtual Machine Consumed Vs. Granted Memory

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VMW Virtual Machine CPU Utilization

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VMW Virtual Machine Disk Command Aborts

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VMW Virtual Machine Disk IO

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VMW Virtual Machine Logical Drive Estimated Fill Time

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VMW Virtual Machine Logical Drive Utilization

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VMW Virtual Machine Memory Allocation Versus Limit

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VMW Virtual Machine Memory Swapping

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VMW Virtual Machine Memory Utilization

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VMW Virtual Machine Network IO

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VMW Virtual Machine Percent Ready

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VMW Virtual Machine Power State Change

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VMW Virtual Machine VMware Tools

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VMW Virtual Machine Zero Page Memory Detection

VMW Virtual Machine Active Vs. Granted Memory

Purpose

This rule compares the amount of physical memory that is actively being used by the virtual machine to the amount of memory granted to the virtual machine by the vmkernal.

If active memory approaches the granted memory value in the virtual machine’s configuration, you should consider increasing the granted memory value.

Scope

VMWVirtualMachineMemory

Table 236. Rule Definition
Conditions	State	Action
The virtual machine is actively using only 75 percent or less of the memory it has been granted by the vmkernal.	Normal	None
The virtual machine is actively using more than 75 percent but no more than 85 percent of the memory it has been granted by the vmkernal.	Warning	None
The virtual machine is actively using more than 85 percent but no more than 90 percent of the memory it has been granted by the vmkernal.	Critical	Send email to VMware administrator
The virtual machine is actively using more than 90 percent of the memory it has been granted by the vmkernal.	Fatal	Send email to VMware administrator

VMW Virtual Machine Balloon Memory Deflation

Purpose

This rule monitors for virtual machines working excessively to reclaim memory.

To better balance memory utilization across hosts in a cluster, you can add more physical resources to a host or you can use VMotion to move a virtual machine from one host to another.

Scope

VMWVirtualMachineMemory

Rule Definition
Conditions	State	Action
The balloon has not been growing excessively and is deflating normally.	Normal	None
The balloon has reached 20 percent of the host's memory over the course of the last 90 minutes and has failed to deflate to less than 5 percent over the last 15 minutes.	Warning	None
The balloon has reached 20 percent of the host's memory over the course of the last 90 minutes and has failed to deflate to less than 12 percent over the last 15 minutes.	Critical	None

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Foglight for VMware 5.8.1 - User and Reference Guide

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Virtual Machine Rules

VMW Virtual Machine Active Vs. Granted Memory

VMW Virtual Machine Balloon Memory Deflation