Troubleshooting the "ASM Health Checker Found 1 New Failures" Alert
The ASM Health Checker is a background process that periodically checks the health of the ASM infrastructure. It monitors various aspects of ASM, including: asm health checker found 1 new failures
To help me give you more specific troubleshooting steps, could you tell me: What is the specific error message or code? Troubleshooting the "ASM Health Checker Found 1 New
The message "ASM Health Checker found 1 new failures" is a critical alert in the Oracle Automatic Storage Management (ASM) alert log indicating that the internal Health Monitor has detected a significant operational issue. This failure often precedes or accompanies a diskgroup being forced to dismount or an instance entering a "dirty detach" state. Common Root Causes This failure often precedes or accompanies a diskgroup
. This message indicates that a failure has been logged in the Automatic Storage Management (ASM) health check framework, often related to disk group dismounts, header corruption, or voting file issues. Oracle ASM Health Check Failure Report Report Field Description / Details Alert Message ASM Health Checker found 1 new failures System Component Oracle Automatic Storage Management (ASM) Detection Source ASM Alert Log (typically located at diag/asm/+asm/
This article provides a 360-degree breakdown of this alert: what triggers it, how to diagnose the root cause, step-by-step repair procedures, and long-term prevention strategies.
often generates an incident report when this occurs. Use the tool to view the incident details: show incident show tracefile (for the specific process like +ASM_rbal_xxxx.trc Monitor Rebalance/Repair : If a disk is just offline and you have redundancy, check the REPAIR_TIME