Asm Health Checker Found 1 New Failures Updated Fix May 2026
Re-scans, OS reboots, or sector size changes ( ORA-15085 ) on the SAN break the shared storage layer. đź“‹ Comprehensive Troubleshooting Guide
Run the following SQL query within the SQL*Plus environment of the affected ASM instance to identify the disk group's operational mode: asm health checker found 1 new failures updated
Instant Fix for Oracle ASM Disk Failures When this error appears in the ASM alert log, it is usually preceded by underlying I/O dropouts or timeout warnings. This requires immediate DBA intervention to prevent data loss or complete cluster eviction. 🛠️ Root Causes of the ASM Failure Alert Re-scans, OS reboots, or sector size changes (
SELECT group_number, name, state, type, total_mb, free_mb FROM v$asm_diskgroup; Use code with caution. free_mb FROM v$asm_diskgroup