Asm Health Checker Found 1 New Failures Online

: SELECT operation, state, est_minutes FROM v$asm_operation; Common Remediation Steps KB88485 - My Oracle Support

sqlplus / as sysasm SET LINESIZE 200 COL failure_type FORMAT a30 COL detail FORMAT a60 SELECT failure_id, failure_type, check_name, time_detected, status, detail FROM v$asm_health_check WHERE status = 'FAIL' ORDER BY time_detected DESC;

When the ASM health checker detects a problem, it logs an error message indicating that a failure has been detected. The message may look like this:

: One or more LUNs/disks became inaccessible due to hardware, cable, or storage controller issues. Write I/O Errors asm health checker found 1 new failures

: Corruption in the ASM metadata blocks, which can happen during intensive operations like rebalancing. Configuration Issues

stat /dev/mapper/asm_data2

If you are preparing for Oracle certification, understanding the nuances of ASM health checks and their outputs is often a key exam topic, highlighting its importance in the skillset of any serious Oracle DBA. Several conditions across your compute, network, and storage

Any SAN, multipath, or OS upgrade should trigger a manual health check:

To prevent the "1 new failures" alert from recurring, implement these architectural best practices:

The alert typically appears in your Oracle ASM alert logs when the Automatic Diagnostic Repository (ADR) health monitor detects a critical issue during a maintenance task, such as a diskgroup rebalance or a disk add operation. Understanding the Failure Several conditions across your compute

Ensure the IAM role running the health checker has explicit permissions to access the secret.

Several conditions across your compute, network, and storage fabric can trip the health checker. 1. Hard Disk or SAN Storage Failures