Asm Health Checker Found 1 New Failures File

Check recent failures:

Replace the faulty hardware and drop/add the disk to initiate a rebalance operation: asm health checker found 1 new failures

SELECT * FROM V$ASM_OPERATION WHERE STATE='FAILED'; Check recent failures: Replace the faulty hardware and

Use views like v$asm_disk_stat to ensure the new disk is performing correctly and I/O wait events have cleared. asm health checker found 1 new failures

Many DBAs make the mistake of treating this as noise. That is perilous. A single new failure can be the first domino in a chain leading to:

: The DBA issued ALTER DISKGROUP DATA OFFLINE DISK DATA_0008 DROP AFTER 0h . ASM began rebalancing extents from the failing disk to surviving disks. After 45 minutes, the disk was physically replaced. The DBA ran ALTER DISKGROUP DATA ADD DISK '/devices/sdq_new' and rebalanced back.

$ asmcmd repairedisk DATA_0004