Asm Health Checker Found 1 New - Failures Updated Work

WARNING: ASM Health Checker found 1 new failures updated Failure details: Disk group: DATA Disk: DATA_0003 (path: /dev/mapper/data_disk3) Failure type: OFFLINE Timestamp: 2025-01-15T14:23:10

Avoid adding more data until the failure is resolved, as further writes may lead to ORA-15041 (disk group out of space).

When you see this alert, a methodical investigation is required. Begin by locating the ASM alert log, which is typically found in the following location: <GRID_HOME>/diag/asm/+asm/+<ASM>/alert/log.xml

Troubleshooting "ASM Health Checker Found 1 New Failures Updated" in Oracle Environments asm health checker found 1 new failures updated

Always ensure that your storage array (SAN) is not showing errors, as ASM simply reports what the operating system tells it.

A specific block (often metadata blocks 0-250) becomes unreadable, triggering a health check failure. Hardware Timeout:

If you are using External Redundancy , a single disk failure can make the entire disk group unrecoverable ("toast"). WARNING: ASM Health Checker found 1 new failures

Ensure your diskgroup has enough free space for rebalancing operations.

If errors are found, you may need to:

A failing disk, bad sectors, or a disconnected storage path. A specific block (often metadata blocks 0-250) becomes

The Health Monitor stores detailed information about its checks in several database views. The primary ones are:

Upon receiving this message, administrators should:

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