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Foglight for VMware 5.7.7 - User and Reference Guide

Using VMware Monitoring in Foglight for Storage Management Reference Appendix: Alarm Messages Appendix: Metrics

ESX Server Rules

This section lists and describes the ESX Server rules.

Rules in this section:

VMW ESX Server Disk IO

This rule monitors for spikes and drops in disk IO for an ESX Server.

VMWESXServerStorage

Table 57. 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 ESX Server Queue Latency

This rule fires when the Queue Command Latency for a physical disk in a VMware ESX Server exceeds the normal operating range. The Queue Command Latency for a collection interval is the time spent, per SCSI command, in the VM kernel queue.

VMWESXServerPhysicalDisk

Table 58. Rule Definition

The Queue Command Latency for a physical disk on all monitored ESX hosts does not exceed the number of milliseconds set by the VMW:diskQueueLatency.warning registry variable. The global default value of this variable is 25.

Normal

None

The Queue Command Latency for a physical disk on a monitored ESX host has exceeded the number of milliseconds set by the VMW:diskQueueLatency.warning registry variable. The global default value of this variable is 25.

Warning

None

The Queue Command Latency for a physical disk on a monitored ESX host has exceeded the number of milliseconds set by the VMW:diskQueueLatency.critical registry variable. The global default value of this variable is 35.

Critical

Send email to VMware administrator

The Queue Command Latency for a physical disk on a monitored ESX host has exceeded the number of milliseconds set by the VMW:diskQueueLatency.fatal registry variable. The global default value of this variable is 40.

Fatal

Send email to VMware administrator

VMW ESX Server Queue Latency Deviation

This rule fires when the Queue Command Latency for a physical disk in a VMware ESX Server exceeds the normal operating range, using the standard deviation. The Queue Command Latency for a collection interval is the time spent, per SCSI command, in the VM kernel queue.

VMWESXServerPhysicalDisk

Table 59. Rule Definition

The Queue Command Latency for a physical disk on all monitored ESX is within the normal operating range.

Normal

None

The Queue Command Latency for a physical disk on a monitored ESX host has entered the Warning state, when calculated using the standard deviation.

Warning

None

The Queue Command Latency for a physical disk on a monitored ESX host has entered the Critical state, when calculated using the standard deviation.

Critical

Send email to VMware administrator

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