Asm Health Checker Found 1 New Failures Updated File

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 

Significant performance degradation or I/O bottlenecks may also trigger warnings that require a manual Next Steps for Remediation Identify affected Diskgroup: V$ASM_DISKGROUP view for any group not in a Review ASM Logs: ADRCI tool show alert -p "message_text like '%error%'" to find the exact timestamp and error code. Validate Hardware:

Storage Path & Multipath Failures: Intermittent loss of connectivity to the SAN/LUNs causes heartbeat timeout warnings (e.g., Waited 15 secs for write IO).

ACFS Issues: Adding disks to or resizing an ASM Cluster File System (ACFS) can sometimes trigger failures if voting files cannot be refreshed or membership refresh fails. Recommended Diagnostic Steps

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.