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Asm Health Checker Found 1 New Failures Jun 2026

: One or more LUNs/disks became inaccessible due to hardware, cable, or storage controller issues. Write I/O Errors

: Problems during the addition of new disks or voting file refreshes. Immediate Troubleshooting Steps Check the ASM Alert Log : Locate the alert log for your ASM instance (often in /u01/app/oracle/diag/asm/.../trace/alert_+ASM.log

If the health check indicates metadata issues, you may need to run a manual check on the disk group. asm health checker found 1 new failures

Heavy traffic causing the ASM engine to respond slowly to the health probe.

Verification failure due to expired security subscriptions. : One or more LUNs/disks became inaccessible due

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

Some common causes for ASM Health Checker failures include: Heavy traffic causing the ASM engine to respond

This will generate a report explaining the impact and recommending a script or manual action to fix it.

This documentation aids future troubleshooting and contributes to your organization's collective operational intelligence.