Asm Health Checker Found 1 New Failures =link= Guide

Understanding ASM Health Checker

At first glance, a single failure might seem trivial. After all, modern ASM configurations are built on pillars of redundancy: normal redundancy, high redundancy, and robust failure groups. A single disk slowing down or a single network path intermittently dropping packets could be masked by the system’s inherent self-healing capabilities. However, the health checker is not an alarmist. It is a sentinel. The designation of “1 new failure” implies a delta from a previous state of health. Something, somewhere, has crossed a threshold from acceptable to aberrant. That one failure is the canary in the coalmine.

  • Probe misconfiguration:

    warning-level

    The new ASM health check failure is isolated and classified as . Immediate intervention is not critical, but prompt remediation will restore full redundancy and prevent potential escalation. asm health checker found 1 new failures

    • Source: ASM Health Checker Daemon
    • Severity: Warning / Medium (Requires investigation within 1 hour)
    • Failure Count: 1 (New)
    • Context: The health checker iterates through critical internal links and external endpoints. One of these validation checks returned a non-200 OK status or an unexpected data payload.

    DECLARE v_fid NUMBER; BEGIN SELECT failure_id INTO v_fid FROM v$asm_health_check WHERE status='FAIL' AND rownum=1; DBMS_SCHEDULER.SET_ATTRIBUTE('SYS.ASM_HEALTH_CHECK_JOB','COMMENTS','Manually cleared'); EXECUTE IMMEDIATE 'BEGIN SYS.ASM_HEALTH_CHECK_PURGE('||v_fid||'); END;'; END; / Understanding ASM Health Checker At first glance, a

    The Silent Alarm: When the ASM Health Checker Finds One New Failure

    • Add retries and backoff in health checks for known transient failures.
    • Improve observability: more granular logs, metrics, and tracing around the checked component.
    • Implement alerting thresholds that surface before critical failure (slowdown → investigate).
    • Automate remediation for common, safe-to-fix issues (e.g., auto-restart service, disk cleanup jobs).
    • Regularly review and test configuration management workflows and secrets rotation.
    • Run periodic chaos/ resilience tests in staging to uncover brittle dependencies.

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