: Often preceded by ORA-15130 , indicating a disk group was forced to dismount due to lost connectivity.
Set up alerts in Oracle Enterprise Manager to notify you immediately when ASM Health Checker finds a failure, rather than waiting for an outage.
The system automatically launches targeted health checks based on the problem type: asm health checker found 1 new failures updated
When an underlying hardware or connectivity issue disrupts the storage fabric, the ASM Health Checker works in tandem with the Rebalance ( RBAL ) and Group Monitor ( GMON ) background processes. The process typically unfolds across four technical milestones: 1. Persistent Storage Timeout
first; it is the most reliable source for the specific error code (like ) causing the failure. : Often preceded by ORA-15130 , indicating a
What the message means
This specific notification usually indicates that an automated tool—like the Oracle Autonomous Health Framework (AHF) F5 BIG-IP ASM —has detected a change in your system's health status. Look for disks showing UNKNOWN , CANDIDATE ,
Look for disks showing UNKNOWN , CANDIDATE , or OFFLINE instead of MEMBER . An offline disk confirms a hardware or pathing issue. Step 4: Step-by-Step Resolution Playbook Scenario A: The Disk Group is Out of Space ( ORA-15041 )
Look for any disks where the header_status is CANDIDATE (instead of MEMBER ) or mode_status is OFFLINE . 3. Check for Ongoing Rebalances