Asm Health Checker Found 1 New Failures [new]

The AHF framework flags the issue, but the ultimate truth lies within the ASM instance alert log. Navigate to your Diagnostic Destination to read the log:

The ASM module is heavy on logging. If the /var or /appdata partitions reach 100%, the health checker will immediately trigger a failure. Symptoms: "Disk partition /var has insufficient space."

Please acknowledge this alert in the monitoring dashboard. If the issue is resolved, update the ticket with the root cause analysis (RCA). asm health checker found 1 new failures

Regularly back up ASM metadata to recover from logical corruption without losing disk groups:

Verify if any groups show a state of DISMOUNTED . Next, query individual disk headers: The AHF framework flags the issue, but the

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; /

The ASM stores its security policies and event logs in a MySQL database. If the BIG-IP suffers an improper shutdown, these tables can become corrupted. Symptoms: "Disk partition /var has insufficient space

Improper shutdown (e.g., shutdown abort on ASM) leaves ASM metadata in an inconsistent state. The next health check reveals failure.

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SET LINESIZE 150 COL name FORMAT a15 COL compatibility FORMAT a12 COL database_compatibility FORMAT a12 SELECT group_number, name, state, type, total_mb, free_mb FROM v$asm_diskgroup; Use code with caution.

[Timeline of a typical failure event] ⚠️ I/O Timeout / Write Failure ──► 🛑 Disk Offlined ──► 🚨 ASM Health Checker Alert ──► 🔄 Cluster Reconfiguration