Asm Health Checker Found 1 New Failures Link Now
WARNING: Offline of disk 3 (LOGA2) in group 2 failed on ASM inst 1. ERROR: ORA-15130: diskgroup "LOG" is being dismounted. ASM Health Checker found 1 new failures. Use code with caution. 2. Storage Heartbeat Failures and Timeouts
Log into your ASM instance via SQL*Plus as SYSASM to assess the cluster-wide operational health of your storage:
When a physical drive develops bad sectors, or the SAN controller drops a drive configuration, the operating system registers a hard kernel fault. Oracle ASM tracks these via asynchronous write errors ( osderr1 , osderr2 ), prompting the health checker to flag a failure. 2. Storage Area Network (SAN) Disconnects asm health checker found 1 new failures
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To fix the failure, you first have to identify it. You can do this via the Command Line Interface (CLI) using ADRCI . Step A: Access ADRCI Log in to your grid infrastructure server and run: adrci Use code with caution. Step B: Set the Home Path WARNING: Offline of disk 3 (LOGA2) in group
SUCCESS: ALTER DISKGROUP... followed by immediate GMON dumping or failure notes.
This message, often found in your alert log, crsd.log , or email alerts from Enterprise Manager (EM12c/13c), indicates that the automated ASM Health Checker has detected a new issue affecting the integrity, availability, or performance of your ASM environment. Ignoring it is not an option; unresolved failures can lead to disk group mount issues, I/O latency, or even database crashes. Use code with caution
Note: Always back up your metadata and ensure you have a valid backup before running automated repair scripts on production storage. 5. Clearing the Alert
If only one new failure exists, this yields exactly one row with actionable details.