ALTER DISKGROUP data ONLINE DISK data_0003;
Will update the thread once the root cause is identified. 🛠️ Option 2: Professional Technical Update System Health Notification: ASM Health Checker asm health checker found 1 new failures updated
SELECT group_number, disk_number, name, path, state, mode_status, failgroup FROM v$asm_disk WHERE state != 'NORMAL'; ALTER DISKGROUP data ONLINE DISK data_0003; Will update
SELECT * FROM v$asm_disk_iostat WHERE read_errs > 0 OR write_errs > 0 OR bytes_read = 0; ALTER DISKGROUP data ONLINE DISK data_0003
Possible diskgroup dismount or reduced redundancy if not addressed. Detailed Investigation Report Findings & Actions Primary Cause Often related to block corruption on an ASM disk or a failure group losing connectivity (e.g., hardware/HBA failure). Immediate Diagnostic Run the command ALTER DISKGROUP CHECK; to verify inconsistencies. Check the ASM for specific errors (like ORA-15130). Risk Level if using External Redundancy (no mirror).