Asm Health Checker Found 1 New Failures Updated

The message "ASM Health Checker found 1 new failures" is a critical alert typically logged in the Oracle ASM alert log when the Automatic Storage Management (ASM) instance detects an issue that threatens the integrity or availability of a disk group. Typical Causes

Common Causes of ASM Health Check Failures

| Failure Type | Example | |-------------|---------| | Disk offline | A disk in a disk group is offline or missing. | | Disk path error | Underlying LUN/device path inaccessible. | | Read/write errors | OS or storage reports I/O errors. | | Stale disk | Disk not synchronized with partner disks. | | Failure group issues | Entire failure group degraded. | asm health checker found 1 new failures updated

  1. Disk failure: A disk has failed or is no longer accessible, impacting ASM operations.
  2. Performance issue: A disk or ASM instance is experiencing performance problems, such as high latency or low throughput.
  3. Configuration problem: A configuration error or inconsistency has been detected, affecting ASM operations.
  4. Connection issue: A problem has been identified with the connection between the ASM instance and the database or storage devices.

Look for entries with timestamps matching the health checker alert. You will often see additional details like: The message "ASM Health Checker found 1 new

in the Configuration utility. This screen displays which specific health alert was triggered (e.g., CPU usage, memory limits, or database connectivity). Check Daemon Health : Verify if critical ASM processes like asm_config_server are running. You can check this via the command line using tmsh show /sys service Investigate Recent Changes Disk failure : A disk has failed or