Asm Health Checker Found 1 New Failures Updated Jun 2026

The message typically appears in the Oracle Automatic Storage Management (ASM) alert logs when a background check detects a serious issue with disk group availability or redundancy.

If a disk dropped due to an intermittent SAN path loss but the hardware is now stable:

Look for entries with timestamps matching the health checker alert. You will often see additional details like: asm health checker found 1 new failures updated

After verification, if a corruption is confirmed, you can attempt to repair it automatically:

ls -la /dev/oracleasm/disks/ # or ls -la /dev/mapper/ The message typically appears in the Oracle Automatic

asmcmd health check

Immediate investigation is required to determine if the failure is physical (requiring hardware replacement) or logical (requiring resync). Ignoring this alert significantly increases the risk of a total storage outage. Ignoring this alert significantly increases the risk of

The Health Checker warning is an outcome, not the source error. You must inspect the ASM trace and alert logs to find out exactly what happened seconds before the failure was printed. KB88485 - My Oracle Support

Verify if the number of disks in the diskgroup has dropped below required redundancy.