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Asm Health Checker Found 1 New Failures Updated [hot] May 2026

The message "ASM Health Checker found 1 new failures" is a critical alert typically generated by Oracle Automatic Storage Management (ASM). It indicates that the background health monitor has detected a significant issue within the storage layer that could impact database availability. Immediate Diagnostic Steps

To identify the specific cause, you should immediately examine the ASM alert log and current disk status:

Check the Alert Log: Look for ORA- errors (like ORA-15130 or ORA-15063) in the trace file directory:

Path: /u01/app/oracle/diag/asm/+asm//trace/alert_.log.

Verify Diskgroup Status: Run the following command in the ASM instance to see which group is affected:

SQL> SELECT name, state, offline_disks FROM v$asm_diskgroup;.

Check Individual Disk Health: Identify if a specific disk has dropped or is hung:

SQL> SELECT path, header_status, mode_status FROM v$asm_disk;. Common Causes & Solutions KB88485 - My Oracle Support

Recommended Resolution

Diagnostic Output (snippet)

$ asmcmd health check
...
FAILURE: Disk group DATA – Disk DATA_0002 is offline
...

Alert Analysis: "ASM Health Checker Found 1 New Failures"

4. I/O Timeout or Hang Detection

ASM has internal I/O timers. If a disk consistently fails to respond within a threshold (e.g., _asm_io_timeout), the health checker marks it as a slow or hanging I/O resource.

Attachments

Prepared by: [Your Name/Role] Status: Awaiting resolution

It sounds like you're referencing a log or output from an ASM health check (likely Oracle Automatic Storage Management). A useful review would typically include:

If you share the actual failure text or log snippet, I can help interpret it and recommend next steps.

The message "ASM Health Checker found 1 new failures" typically appears in the Oracle Automatic Storage Management (ASM) alert log when a critical issue—such as a disk failure or a forced diskgroup dismount—is detected. This is part of Oracle's fault diagnosability infrastructure designed to capture diagnostic data at the first sign of trouble. Immediate Actions to Take

If you see this message, follow these steps to identify and resolve the failure: asm health checker found 1 new failures updated

Check the ASM Alert Log: Review the alert log (often located in /u01/app/grid/diag/asm/+asm/+ASM/trace/alert_+ASM.log) for errors preceding the health checker message, such as ORA-15130 (diskgroup being dismounted) or ORA-15032.

Run ADRCI: Use the ADR Command Interpreter (ADRCI) to view the specific "incident" or "problem" that was logged. Command: adrci> show problem or adrci> show incident

Verify Diskgroup Status: Log into the ASM instance and check if any diskgroups are offline or if disks have been dropped. SQL> select name, state from v$asm_diskgroup;

SQL> select name, header_status, mode_status from v$asm_disk;

Investigate I/O Failures: Look for hardware-level issues, such as storage path failures, SAN/NFS connectivity problems, or OS-level permission changes that might have caused the disk to go offline. Common Causes

Disk Path Failure: The OS can no longer see the physical storage device.

Forced Dismount: ASM may force a dismount if too many disks in a failure group are lost, exceeding the redundancy limit.

Communication Issues: In a RAC environment, network or heartbeat failures between nodes can trigger ASM health alerts.

For automated assistance, you can use tools like Oracle ORAchk to run a comprehensive health check on your entire Oracle stack.

This specific notification usually indicates that an automated tool—like the Oracle Autonomous Health Framework (AHF) F5 BIG-IP ASM —has detected a change in your system's health status.

Depending on where you want to share this (e.g., Slack for your team, or a technical status update), here are a few options: Option 1: Internal Team Alert (Slack/Teams) ASM Alert: New Failure Detected The ASM Health Checker has just reported 1 new failure Next Steps: Checking the and running tfactl diagcollect to grab the latest logs for investigation.

Will update the thread once the root cause is identified. 🛠️ Option 2: Professional Technical Update System Health Notification: ASM Health Checker

A new failure was identified during the latest ASM health check scan. Current Action Plan: incidents to identify the specific failure. Verifying disk group redundancy and member disk status. Running a manual health check via Oracle AHF/ORAchk to confirm if the issue is persistent. The message "ASM Health Checker found 1 new

Monitoring for any impact on performance or disk availability. Option 3: Short & Direct ASM Health Checker Update: 1 new failure found. ⚠️ Currently investigating the ASM alert log

and running diagnostics. No immediate impact reported yet, but staying on top of it. #DBA #ASM #OracleHealth Quick Troubleshooting Tips Oracle ASM: Automatic Diagnostic Repository Command Interpreter (ADRCI) to view details on the new incident. F5 BIG-IP ASM: MySQL database health if you suspect a sync or configuration issue. Always check the

first; it is the most reliable source for the specific error code (like ) causing the failure.

Which environment are you running this in? I can tailor the post if it's for a specific platform like Oracle Cloud K14194: Troubleshooting the BIG-IP ASM MySQL database

The phrase "asm health checker found 1 new failures updated" typically refers to a notification from the Oracle Autonomous Health Framework (AHF) or its components like

. This system continuously monitors Oracle Automatic Storage Management (ASM) and cluster environments for issues related to stability, configuration, and performance. Understanding the Notification

When the ASM Health Checker reports a "new failure," it means that a scheduled or on-demand audit has detected a condition that violates Oracle's best practices or indicates a hardware/software fault. The "updated" status indicates that the health check repository has been refreshed with this latest finding. Common Causes for ASM Failures

Failures in the ASM environment can range from minor configuration warnings to critical disk issues: Disk Visibility or Permissions

: ASM instances may lose sight of a disk due to OS-level permission changes or SAN/storage connectivity issues. Disk Group Redundancy Issues

: A failure might be triggered if a disk group drops below its required redundancy level (e.g., a disk failing in a "Normal" redundancy group). Space Constraints

: The health checker often flags when a disk group is nearing capacity or if the Fast Recovery Area (FRA) Configuration Drift

: Changes to initialization parameters or clusterware settings that don't align with Oracle's Recommended Best Practices Troubleshooting Steps

To resolve the failure, follow these standard diagnostic procedures: Generate a Health Report : Run a manual check using the Oracle AHF tfactl orachk to get a detailed HTML report of the specific failure. Check the Alert Log If a disk is offline: Attempt to bring

: Inspect the ASM instance alert log (usually found in the Automatic Diagnostic Repository or ) for specific error codes like (disk full) or (disk group mount failure). Verify Disk Status asmcmd lsdsk

command to validate that all disks are present and have the correct header status. Examine Cluster Health : Ensure that the Oracle Grid Infrastructure is running correctly across all nodes using crsctl check crs

For persistent issues, you may need to gather a diagnostic package using the Incident Packaging Service (IPS) and upload it to Oracle Support exact command

to run a manual health check for your specific Oracle version? RAC/ ASM Health Check - Oracle Forums 13 Sept 2011 —

Conclusion

The message "ASM Health Checker found 1 new failures updated" is not a death knell for your database. Instead, it is an early warning system that Oracle ASM has detected a single, specific anomaly in your storage infrastructure. By methodically examining the ASM alert log, querying the dynamic performance views, and investigating the OS/storage layer, you can quickly identify whether the issue is a transient path failure, an offline disk, or a more serious metadata corruption.

Remember: One new failure means you have time to react, but you should react immediately. Ignoring the alert can lead to a cascade of failures, especially in lower redundancy configurations. With the diagnostic steps and remediation strategies provided in this guide, you can confidently resolve the alert and restore your ASM environment to full health.

Stay proactive, monitor your disk groups regularly, and your ASM health checker will reward you with silence—the best alert of all.

Keywords used: ASM Health Checker found 1 new failures updated, ASM alert log, Oracle ASM troubleshooting, disk group failure, v$asm_diskgroup, offline disks, ASM metadata corruption, multipath failure, Oracle RAC health check.

4. Regular Health Checks

Schedule weekly manual checks using:

ALTER DISKGROUP data CHECK ALL;

And review the ASM alert log for any earlier signs of deterioration.

How to Clear the Failure After Fix

Once the underlying issue is resolved:

ALTER DISKGROUP <diskgroup_name> ONLINE ALL;
ALTER DISKGROUP <diskgroup_name> CHECK;

Then re-run:

asmcmd health check

The failure count should return to 0.

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