Asm Health Checker Found 1 New Failures Work [ PRO ]
Understanding and Resolving the "ASM Health Checker Found 1 New Failures" Alert
). Look for the ORA- errors immediately preceding the "1 new failures" message to identify the specific disk or group affected. Verify Disk Status
: The diskgroup cannot maintain a read quorum, often leading to an automatic dismount. How to Diagnose and Fix To resolve the failure, follow these diagnostic steps: asm health checker found 1 new failures
ALTER DISKGROUP <disk_group_name> CHECK;
If the failure is related to "Insufficient Space," rebalance the disk group or add new disks immediately. Understanding and Resolving the "ASM Health Checker Found
The "ASM Health Checker" is a component of Oracle's broader framework, which performs automated diagnostic checks on the Oracle stack. For ASM, this checker focuses on verifying the internal consistency of disk group metadata, file integrity, and the overall health of the storage layer.
ASM Health Check Report – New Failures Detected How to Diagnose and Fix To resolve the
: SELECT operation, state, est_minutes FROM v$asm_operation; Common Remediation Steps KB88485 - My Oracle Support
Here is a deep dive into what this error means, how to diagnose it, and the steps to resolve it. 1. Understanding the ASM Health Checker
If your fix involved bringing a disk back online or adding a new disk, ensure the ASM rebalance process completes successfully without errors:%%MAGIT_PARSER_PROTECT%% sql SELECT operation, state, power, est_minutes FROM v$asm_operation; %%MAGIT_PARSER_PROTECT%% Summary Checklist Command/Tool 1 Identify the specific failure detail tfactl orachk -status 2 Check structural errors adrci (Look for ORA- errors) 3 Check disk status Query v$asm_disk & v$asm_diskgroup 4 Repair & Rebalance
The "failure" wasn't a system collapse—it was the system getting confused by its own shadow.