Prometheus not restoring Alert state on restart.

[soha...@gmail.com]

Say an alert is in firing state then after a few minutes, I restart the Prometheus. After the restart, Prometheus sends the resolved notification to the alert-manager (and alert-manager to the webhook).

Is there any way to restore an alert state for example if it was in firing state than it should remain in firing state after a restart and not send resolved alert.

Note alert rule for=5m

Prometheus version: 2.17.2

Alertmanger version: .0.21.0

Env: running as stateful sets in Kubernetes

Prometheus runtime args:

rules.alert.for-grace-period=3m 

rules.alert.for-outage-tolerance=1h 

storage.tsdb.retention.time=2h 

Prometheus config:

global:  

scrape_interval: 30s  

scrape_timeout: 10s  

evaluation_interval: 30s 

Please let me know if need more information