supervisor@rtbrick: op> show time-series alert
Failed fetching alerts from alert manager.

supervisor@rtbrick: op> show time-series metric disk_usage_percent
Failed querying the time-series database.

supervisor@rtbrick: op> show time-series metric rtbrick_invalid_metric_config
Failed querying the time-series database.

supervisor@rtbrick: op> show time-series statistics
No time-series configured or time-series database not responding.