Asm Health Checker Found 1 New Failures Official

: Review the ASM alert log file (usually found in the ADR home) for specific ORA- errors or messages about disk evictions. Validate Path Visibility

The most frequent cause is a physical I/O error or a "Write Failed" event on an ASM disk.

If the health checker found a disk failure, check the OS-level connectivity. lsdsk (within ASMCMD) or fdisk -l (Linux). asm health checker found 1 new failures

When this error is triggered, it often coincides with other critical events: Disk Group Dismounting

A healthy ASM is the silent foundation of a robust Oracle database. Listen to its health checker, and your database will thank you with uptime. : Review the ASM alert log file (usually

If the diskgroup is still mounted, run a metadata check to find internal inconsistencies: ALTER DISKGROUP CHECK; Use code with caution. Copied to clipboard

| Area | Requirement | |-------|--------------| | Performance | Comparison must complete in < 100ms | | State persistence | Store previous health state (e.g., Redis, SQLite, S3) | | Idempotency | Rerunning same check should not trigger duplicate alerts | | Configurability | Ability to ignore certain failure types from “new failure” detection | lsdsk (within ASMCMD) or fdisk -l (Linux)

to see how long you have to fix the issue before ASM automatically drops the disk. Oracle Forums When to Take Urgent Action External Redundancy