Services Status
Cluster Overview (om mon)
The om mon command provides a real-time, human-readable overview of the cluster and service states.
Human Readable
om monitor
Requirements:
- The agent daemon must be up and running.
- The displayed information is near synchronous.
Status and Alert Markers
Markers are used to optimize information density.
| Heartbeat Markers | On hb.tx Target | On hb.rx Source |
|---|---|---|
O | Data has been sent in time | Data has been received in time |
X | Data has not been sent in time | Data has not been received in time |
/ | Not applicable | Not applicable |
| General Markers | On Service Instance | On Service | On Node Status |
|---|---|---|---|
O | up | ||
o | standby up instance | ||
X | down instance or heartbeat failure | ||
x | standby down instance | ||
/ | Not applicable, undefined | ||
^ | Placement leader | Placement alert | |
! | Warning | Warning raised by any instance | |
!! | Not fully available instance | ||
* | Frozen instance | Frozen node | |
P | Not fully provisioned instance |
Machine Readable
Use the --format option for structured data output.
om daemon status --format json
Watch
Continuously refresh the status display.
om monitor --watch