When the checker reports a "new failure," it typically means it has detected inconsistencies in the ASM metadata (e.g., File Directory, Allocation Table) or a persistent I/O error that it couldn't resolve automatically. 1. Initial Diagnostic Steps
SELECT * FROM V$ASM_HEALTH_CHECK;
To properly resolve the alert, it's helpful to understand what typically causes it. Common scenarios that trigger the health checker include: asm health checker found 1 new failures updated
Ensure you are on the latest RU (Release Update), as Oracle frequently releases patches for ASM Health Checker "false positives."
When you see "ASM Health Checker found 1 new failures updated" in your ASM alert log or OEM console, follow this structured investigative process. When the checker reports a "new failure," it
Automatic Storage Management (ASM) is a crucial component of Oracle databases, providing a robust and efficient storage management system. However, like any complex system, ASM can encounter issues that impact database performance and security. To identify and address these issues, Oracle provides the ASM Health Checker, a utility that monitors ASM's overall health and alerts administrators to potential problems. In this essay, we will discuss the importance of ASM Health Checker, its functionality, and what it means when it reports "Found 1 new failures updated."
The "1 new failures updated" message does not provide detailed information about the specific issue. However, it serves as a warning that a problem exists and needs to be investigated. Common scenarios that trigger the health checker include:
The first step is to examine the . It will provide specific details on the nature of the failure (e.g., a specific disk, file number, or metadata corruption).
Use Enterprise Manager (EM) to alert you to v$asm_check_failure entries immediately.