Asm Health Checker Found 1 New Failures Updated |work| Jun 2026

Understanding the ASM Health Checker Warning The message is a critical alert generated by the Oracle Automatic Storage Management Cluster File System (ACFS) or Oracle Grid Infrastructure health framework.

Match the redundancy of your disk groups to the importance of the data they store. Use HIGH redundancy for critical databases, NORMAL for most production workloads, and EXTERNAL only when you have hardware RAID protection.

When you encounter the "ASM Health Checker found 1 new failures" message, you need a systematic approach to diagnose and fix the problem. The first step is verifying the health of your disk groups. asm health checker found 1 new failures updated

ASMCMD [+] > chkdg --repair data

WARNING: ASM Health Checker found 1 new failures updated Failure details: Disk group: DATA Disk: DATA_0003 (path: /dev/mapper/data_disk3) Failure type: OFFLINE Timestamp: 2025-01-15T14:23:10 Understanding the ASM Health Checker Warning The message

Connect to your ASM instance using sqlplus / as sysasm and run the following diagnostic queries:

The failure count should return to 0.

Set up custom scripts to check space usage and disk health daily. Leverage Oracle Enterprise Manager or third-party monitoring tools to automatically alert on V$ASM_DISK state changes.

The ASM instance has updated its internal state, often causing an error like ORA-15130 (diskgroup dismounted) or causing a "dirty detach" in a cluster environment [Per 2.2.4]. When you encounter the "ASM Health Checker found