: A disk may have failed, leading to a loss of redundancy or a disk group being forced to dismount.
When you see the alert, do not panic. Follow this systematic diagnostic procedure: asm health checker found 1 new failures
To the failure from the persistent repository (without waiting for auto-clear): : A disk may have failed, leading to
: An error occurring during the addition or removal of disks, often accompanied by background process (ARB0) alerts. : The diskgroup has been forced offline because
: The diskgroup has been forced offline because it can no longer maintain its required redundancy (e.g., a disk failure in an EXTERNAL REDUNDANCY Metadata Corruption
When it reports a "new failure," it means a specific "check" (such as disk connectivity, metadata consistency, or space usage) has moved from a PASS to a FAIL state. 2. Immediate Step: Identify the Failure
: One or more LUNs/disks became inaccessible due to hardware, cable, or storage controller issues. Write I/O Errors