Asm Health Checker Found 1 New Failures Jun 2026

Ensure your health checker script doesn't alert on transient network blips. Implement a retry mechanism using standard AWS SDK configurations.

Troubleshooting AWS ASM: How to Fix "ASM Health Checker Found 1 New Failures"

flowchart TD A[ASM Alert Log Message "ASM Health Checker found 1 new failures"] --> B(Step 1: Run Diagnostic CHECK) B --> CCheck V$ASM_OPERATION C --> D[Step 2: Generate Health Check Report] D --> E[Step 3: Analyze Failure] E --> FCorruption Found? F -- Yes --> G(Step 4: Execute CHECK ALL REPAIR) G --> H[Step 5: Monitor Rebalance] H --> I[Step 6: Re-validate & Verify] I --> J[Step 7: Document & Prevent] F -- No --> K[False Positive? Engage ASM Team]

: The metadata (headers) on one or more ASM disks may be corrupted or in a "FORMER" or "PROVISIONED" status instead of "MEMBER". Voting File Issues

Identify the name of the relevant health check (e.g., 'HM_RUN_361') and use it to generate the full diagnostic report. The report will pinpoint the exact nature of the failure.

Oracle provides the asmcmd utility to query the health status of disk groups directly. Log in as the Grid Infrastructure OS user (typically grid ) and execute: asmcmd chkdg -g Use code with caution. asm health checker found 1 new failures

To help me give you more specific troubleshooting steps, could you tell me: What is the or code?

: Corruption found in the first 250 blocks of an ASM disk, which contain essential metadata.

The V$ASM_OPERATION view displays rows for every active, long-running operation in the ASM instance, including rebalances. If one is in progress, a query like SELECT * FROM V$ASM_OPERATION WHERE OPERATION LIKE 'REBAL' can show its current STATE (e.g., RUN or WAIT), progress, and estimated time to completion. Ensure your health checker script doesn't alert on

If the cause is permission or path-related, correct the ASM_DISKSTRING or adjust device permissions ( udev rules) on the operating system.

This utility bundles the relevant ASM traces and structural reports to pinpoint exactly which disk or file allocation unit tripped the health checker. Step 2: Common Root Causes and Solutions

: If your diskgroup uses external redundancy and a disk fails, the group will likely dismount immediately, potentially crashing your database. Intermediate States F -- Yes --> G(Step 4: Execute CHECK ALL