Asm Health Checker Found 1 New Failures Updated [updated] Jun 2026

⚠️ For production systems, always run a manual CHECK first. Review the output. If the repair command risks data loss, Oracle will refuse to apply the repair. In that case, you must restore from backup or use advanced tools (such as RMAN block recovery).

A physical disk has failed, and its status is OFFLINE or MISSING .

⚠️ : The REPAIR option may not be available for all types of corruption, especially physical disk issues. Use it cautiously and always ensure you have a valid backup before attempting repairs. asm health checker found 1 new failures updated

Ensure your disk groups have adequate redundancy (Normal or High) to survive a failure.

The CHECK ALL option validates both the disk group metadata and the individual files stored inside it. ⚠️ For production systems, always run a manual

The "1 new failure" usually falls into one of four categories: Failure Category Common Root Cause Typical Error Code Lost paths to storage (Mpath/SAN failure) ORA-15032 , ORA-15080 Metadata Corruption Power outage, abrupt shutdowns, bugs ORA-15130 , ORA-15042 Space Exhaustion Archive logs or backups filling up disk groups ORA-15041 Permission/Ownership Misconfigured /dev/oracleasm or Udev rules ORA-15025 Step 3: Run Manual Verification Commands

For automated assistance, you can use tools like Oracle ORAchk to run a comprehensive health check on your entire Oracle stack. In that case, you must restore from backup

| Cause Category | Description | |---|---| | | Physical damage to storage media, hardware failures, or firmware bugs can lead to blocks being incorrectly written or overwritten. The health checker's metadata verification routines will catch these inconsistencies. | | Metadata Inconsistencies | ASM disk groups store critical metadata (pointers, allocation tables). If this metadata is corrupted due to an abrupt system crash or misconfiguration, the health checker will flag the issue. | | Disk Group Operational Issues | A disk being forcefully dropped, a disk group being dismounted uncleanly, or a failed rebalance operation can all leave the disk group in an inconsistent state. | | External Redundancy Limitations | Attempting to offline a disk in a disk group configured with external redundancy can trigger errors because the disk group lacks the mirrored copies necessary to maintain data integrity. |