Asm Health Checker Found 1 New Failures Updated -

: Inspect the ASM instance alert log (usually found in the Automatic Diagnostic Repository or ) for specific error codes like (disk full) or (disk group mount failure). Verify Disk Status asmcmd lsdsk

Likely root causes (examples)

If a disk was accidentally taken offline or lost connectivity but is now accessible: asm health checker found 1 new failures updated

SELECT name, state, type, total_mb, free_mb, offline_disks FROM v$asm_diskgroup;

One disk was lagging, its I/O response times ballooning into the hundreds of milliseconds. : Inspect the ASM instance alert log (usually

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ALTER DISKGROUP data CHECK ALL;

This message comes from , typically when you run: