System health data is collected on a 20 second interval. The values represent the 95th percentile calculated over the preceding 10 minute period.
Usage Errors and Warnings
The following system health rules show the usage errors and warnings for all virtual machines. The DISK_USAGE rule applies to all disks in the system.
Rule |
Description |
Machine Type |
CPU_USAGE
|
CPU usage must be below
80%.
|
All |
MEMORY_USAGE
|
Memory usage must be below
80%.
|
All |
DISK_USAGE
|
Disk usage must be below
90%.
If any disk value is over the threshold, then the highest error level is reported. |
All |
Datastore Metrics
The following system health rules apply to all VM Hosts. Each rule output in the status detail identifies the datastore affected and the value for that particular metric.
Rule |
Description |
DATASTORE_DISK_COMMANDS_ABORTED_SUMMATION |
Number of aborted commands per datastore.
|
DATASTORE_DISK_BUS_RESETS_SUMMATION |
Number of bus resets per datastore.
|
DATASTORE_DISK_TOTAL_LATENCY_AVERAGE
|
Total latency in milliseconds per datastore. |