Connect to your ASM instance using sqlplus / as sysasm and run the following diagnostic queries:
If you are an Oracle Database Administrator, seeing the alert in your logs or monitoring dashboard (like Enterprise Manager) can be a bit jarring. This message is the Oracle Automatic Storage Management (ASM) framework’s way of telling you that its internal diagnostic engine has detected an issue that could compromise the health of your storage layer. asm health checker found 1 new failures updated
ASM Health Check Report – New Failures Detected Connect to your ASM instance using sqlplus /
Here is a deep dive into what this error means, why it happens, and how to resolve it. What is the ASM Health Checker? What is the ASM Health Checker
What the message means
Intermittent loss of connectivity to the SAN/LUNs causes heartbeat timeout warnings (e.g., Waited 15 secs for write IO ).
The health checker identifies a specific occurrence (incident) of a broader problem, such as a lost disk or corrupted block.