HealthState Aggregation Matrix

This page summarizes the effective aggregation rules for CSP.LMC Controller and Subarray health evaluation, plus the expected CSP healthInfo entry generated during evaluation.

Notes

healthInfo shown here refers to the CSP device entry (for example mid-csp/control/0 or mid-csp/subarray/01).
Subsystem-forwarded healthInfo entries are merged asynchronously and are not part of these deterministic aggregation rules.

Controller

Condition	Aggregated `HealthState`	Expected CSP `healthInfo` entry
Forced fault flag set in model (`component_fault`)	`FAILED`	`'{"mid-csp/control/0": ["Command failed on CBF"]}'`
Forced disabled flag set in model (`is_disabled`)	`UNKNOWN`	`'{"mid-csp/control/0": ["Controller is administratively disabled"]}'`
No critical CBF component detected (no `weight > 0` sample)	`FAILED`	`'{"mid-csp/control/0": ["No CBF component device detected!"]}'`
Critical controller component state in `FAULT`/`UNKNOWN`/`DISABLE`	`FAILED`	`'{"mid-csp/control/0": ["The State of low-cbf/control/0 is FAULT"]}'` (optionally with an additional health message in the same array)
Critical controller component health `DEGRADED` (state healthy)	`DEGRADED`	`'{"mid-csp/control/0": ["The HealthState of low-cbf/control/0 is DEGRADED"]}'`
Non-critical component in `ONLINE`/`ENGINEERING` with `health != OK` or state `FAULT`/`UNKNOWN`	at least `DEGRADED`	`'{"mid-csp/control/0": ["The HealthState of low-pss/control/0 is DEGRADED"]}'`
Non-critical component in admin mode outside `ONLINE`/`ENGINEERING`	ignored for aggregation	`'{}'` (or unchanged if other contributors already populated it)

Subarray

Condition	Aggregated `HealthState`	Expected CSP `healthInfo` entry
Forced fault flag set in model (`component_fault`)	`FAILED`	`'{"mid-csp/subarray/01": ["Subarray command failed"]}'`
Forced disabled flag set in model (`is_disabled`)	`UNKNOWN`	`'{"mid-csp/subarray/01": ["Subarray is administratively disabled"]}'`
No critical CBF component detected after filtering (no `weight > 0` sample)	`FAILED`	`'{"mid-csp/subarray/01": ["No CBF component device detected!"]}'`
Critical component state in `FAULT`/`UNKNOWN`/`DISABLE`	`FAILED`	`'{"mid-csp/subarray/01": ["The State of low-cbf/subarray/01 is FAULT"]}'`
Critical component health `DEGRADED` (state healthy)	`DEGRADED`	`'{"mid-csp/subarray/01": ["The HealthState of low-cbf/subarray/01 is DEGRADED"]}'`
Non-critical component in `ONLINE`/`ENGINEERING` with `health != OK` or state `FAULT`/`UNKNOWN`	at least `DEGRADED`	`'{"mid-csp/subarray/01": ["The State of low-pst/beam/03 is UNKNOWN"]}'`
Non-critical component in admin mode outside `ONLINE`/`ENGINEERING`	ignored for aggregation	`'{}'` (or unchanged if other contributors already populated it)
Unassigned PST beam	ignored for aggregation	`'{}'` (or unchanged if other contributors already populated it)