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TwitterResolved Grafana/Monitoring reported boot partition usage warning today, but no usage change lately
- Thread starter Bitpalast
- Start date
adrian.calvert@drivef
New Pleskian
2.11 has resolved the false positive alerts but monitoring charts all show no data and grafana logs full of the below for every monitor, so monitoring is just muted and is doing nothing for us at the moment
logger=ngalert.scheduler rule_uid=monitoring__memory_usage org_id=1 version=1 fingerprint=ecec918a47a72094 now=2026-07-07T16:08:30Z rule_uid=monitoring__memory_usage org_id=1 t=2026-07-07T16:08:30.001874823Z level=error msg="Failed to evaluate rule" attempt=1 max_attempts=3 next_attempt_in=1.037176639s error="server side expressions pipeline returned an error: failed to build query 'query': data source not found"
logger=ngalert.scheduler rule_uid=monitoring__hdd_util__root org_id=1 version=1 fingerprint=0da6c3cfcb942e55 now=2026-07-07T16:12:40Z rule_uid=monitoring__hdd_util__root org_id=1 t=2026-07-07T16:12:49.241064333Z level=error msg="Failed to build rule evaluator" error="failed to build query 'query': data source not found"
logger=ngalert.scheduler rule_uid=monitoring__memory_usage__mysql org_id=1 version=1 fingerprint=b3044cfa1fb9a5c3 now=2026-07-07T16:11:20Z rule_uid=monitoring__memory_usage__mysql org_id=1 t=2026-07-07T16:11:22.002673616Z level=error msg="Failed to build rule evaluator" error="failed to build query 'query': data source not found"
logger=ngalert.scheduler rule_uid=monitoring__memory_usage org_id=1 version=1 fingerprint=ecec918a47a72094 now=2026-07-07T16:08:30Z rule_uid=monitoring__memory_usage org_id=1 t=2026-07-07T16:08:30.001874823Z level=error msg="Failed to evaluate rule" attempt=1 max_attempts=3 next_attempt_in=1.037176639s error="server side expressions pipeline returned an error: failed to build query 'query': data source not found"
logger=ngalert.scheduler rule_uid=monitoring__hdd_util__root org_id=1 version=1 fingerprint=0da6c3cfcb942e55 now=2026-07-07T16:12:40Z rule_uid=monitoring__hdd_util__root org_id=1 t=2026-07-07T16:12:49.241064333Z level=error msg="Failed to build rule evaluator" error="failed to build query 'query': data source not found"
logger=ngalert.scheduler rule_uid=monitoring__memory_usage__mysql org_id=1 version=1 fingerprint=b3044cfa1fb9a5c3 now=2026-07-07T16:11:20Z rule_uid=monitoring__memory_usage__mysql org_id=1 t=2026-07-07T16:11:22.002673616Z level=error msg="Failed to build rule evaluator" error="failed to build query 'query': data source not found"
@adrian.calvert@drivef , please try the following:
1. Retrieve the
2. Enable Grafana superadmin access by adding the following lines to panel.ini:
3. Navigate to Grafana, hover over the admin username, and click Sign out. Grafana will sign out and back in automatically.
4. In Plesk, go to Monitoring > Connections > Data sources and update the data source URL to:
(From step 1)
1. Retrieve the
rrd_api_auth_token from the Monitoring database:
Code:
sqlite3 /usr/local/psa/var/modules/monitoring/monitoring.sqlite3 "SELECT value FROM params WHERE name = 'rrd_api_auth_token'"2. Enable Grafana superadmin access by adding the following lines to panel.ini:
Code:
[ext-grafana]
allowSuperAdmin = true3. Navigate to Grafana, hover over the admin username, and click Sign out. Grafana will sign out and back in automatically.
4. In Plesk, go to Monitoring > Connections > Data sources and update the data source URL to:
Code:
http://127.0.0.1:8880/modules/monitoring/public/index.php/<rrd_api_auth_token>