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Foglight for VMware 6.1.0 - User Guide (Lite version)

Using Foglight for VMware Reference Appendix: Alarm Messages Appendix: Metrics

VMW Virtual Machine Disk IO

This rule monitors for spikes and dramatic drops in disk IO for a virtual machine.

VMWVirtualMachineHostStorage

Table 64. Rule Definition

The disk usage is no more than 2.2 standard deviations (NumSTDevs) from the mean disk usage.

Normal

None

The disk usage is more than 2.2 but no more than 2.8 standard deviations from the mean disk usage.

Warning

None

The disk usage is more than 2.8 standard deviations from the mean disk usage.

Critical

None

VMW Virtual Machine Logical Drive Estimated Fill Time

This rule determines when the virtual machine logical drive is likely to reach its capacity, based on its present growth rate.

VMWVirtualMachineLogicalDisk

Table 65. Rule Definition

At the present growth rate, the logical drive will not reach its capacity within 90 days.

Normal

None

At the present growth rate, the logical drive will reach its capacity in 90 days or less.

Warning

None

At the present growth rate, the logical drive will reach its capacity in 30 days or less.

Critical

Send email to VMware administrator

At the present growth rate, the logical drive will reach its capacity in 7 days or less.

Fatal

Send email to VMware administrator

VMW Virtual Machine Logical Drive Availability

This rule monitors disk utilization and fires when the disk utilization reaches 90 percent or greater.

VMWVirtualMachineLogicalDisk

Table 66. Rule Definition

The disk utilization is less than 90 percent.

Normal

None

The disk utilization is 90 percent or greater, but less than 95 percent.

Warning

None

The disk utilization is 95 percent or greater, but less than 99 percent.

Critical

Send email to VMware administrator

The disk utilization is 99 percent or greater.

Fatal

Send email to VMware administrator

VMW Virtual Machine Memory Swapping

This rule monitors for the swapping in and out of virtual machine memory.

VMWVirtualMachineMemory

Table 67. Rule Definition

The virtual machine has not moved any of its memory from its physical pages to the VMware swap file within the ESX Server.

Normal

None

The virtual machine has moved some of its memory from its physical pages to the VMware swap file within the ESX Server. This may adversely affect the virtual machine’s performance.

Critical

None

The virtual machine is actively using memory that it has moved to the VMware swap file. This will adversely affect the virtual machine’s performance.

Fatal

None

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