Oracle's Autonomous Health Framework (AHF) provides additional diagnostic tools that can assist support engineers in resolving complex corruption issues efficiently.
If the failure indicates a physical disk failure ( STATE = 'OFFLINE' or MODE_STATUS = 'OFFLINE' ), you must replace it. ALTER DISKGROUP OFFLINE DISK ; Use code with caution. Replace the physical disk at the storage level. Online the disk (rebalance will occur automatically): ALTER DISKGROUP ONLINE DISK ; Use code with caution. Scenario C: Metadata Corruption (Critical Action) asm health checker found 1 new failures updated
You may need to drop the failed disk and add a replacement, then monitor the ARB0 background process to ensure a successful rebalance. KB88485 - My Oracle Support Replace the physical disk at the storage level
If a disk failure impacts critical metadata structures like the Partnership and Status Table (PST), or drops too many drives within a failure group, ASM halts all pending read/write operations. 3. Log Generation KB88485 - My Oracle Support If a disk