Asm Health Checker Found 1 New Failures //top\\

Verify that the security group attached to the VPC endpoint allows inbound HTTPS (port 443) traffic from the health checker's security group.

The asm health checker found 1 new failures message is often a symptom of deeper operational drift. Implement these best practices:

-- Mount the disk group with repair option (requires downtime) ALTER DISKGROUP DATA MOUNT RESTRICT; -- Run ASM Check (from OS) $GRID_HOME/bin/asmcmd md_check DATA -- If errors found: ALTER DISKGROUP DATA CHECK REPAIR; ALTER DISKGROUP DATA DISMOUNT; ALTER DISKGROUP DATA MOUNT;

Because the initial alert does not specify the exact nature of the failure, you must collect diagnostic details using Oracle’s command-line utilities. Check the Grid Infrastructure Alert Log asm health checker found 1 new failures

Check: Metadata Consistency, Status: FAIL, Detail: Orphaned file directory entry

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.

SQL> SET LONG 100000; SQL> SET LONGCHUNKSIZE 1000; SQL> SELECT DBMS_HM.GET_RUN_REPORT('HM_RUN_361') FROM DUAL; Verify that the security group attached to the

If you want to isolate the exact cause of your alert, please tell me:

The ASM Health Checker typically reports errors falling into one of three operational categories. 1. Missing or Dropped Disks (Redundancy Issues)

: The diskgroup has been forced offline because it can no longer maintain its required redundancy (e.g., a disk failure in an EXTERNAL REDUNDANCY Metadata Corruption Check the Grid Infrastructure Alert Log Check: Metadata

Please acknowledge this alert in the monitoring dashboard. If the issue is resolved, update the ticket with the root cause analysis (RCA).

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

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

After applying the fix, re-run the health check to confirm the issue is resolved.

Drop unneeded files, purge the ASM volume recycle bin, or immediately add a new LUN to the disk group: ALTER DISKGROUP ADD DISK '/dev/mapper/new_lun1'; Scenario C: ASM Parameter Mismatch Across Nodes