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.
|