An "ASM health checker found 1 new failures" message in Oracle (AHF/ORAchk) signals a logged incident in the Automatic Diagnostic Repository (ADR), often caused by disk connectivity issues, failed rebalances, or metadata corruption. Immediate investigation requires using ADRCI to identify the specific incident and checking V$ASM_DISK for failed or dropped disks. Detailed diagnostic procedures are available from Oracle Help Center at Oracle Help Center .
Operations teams are advised to follow this runbook: asm health checker found 1 new failures
) has been changed and no longer aligns with recommended settings. Offline Disks An "ASM health checker found 1 new failures"
His phone buzzed on the nightstand. A single notification cut through the darkness: ASM Health Checker: 1 New Failure Found. Operations teams are advised to follow this runbook:
If the disk remains offline, drop it and add a replacement:
dd if=/dev/mapper/asm_data2 of=/dev/null bs=8192 count=1