Asm Health Checker Found 1 New Failures Updated May 2026

“ASM Health Checker found 1 new failure updated.”

The coffee hadn’t even finished brewing when Sarah saw the notification on her primary dashboard:

Partner Status Table (PST) Corruption:

Too many offline disks in the PST disable the read quorum, triggering a forced dismount. asm health checker found 1 new failures updated

"ASM health checker found 1 new failures updated"

The message typically appears in the Oracle Automatic Storage Management (ASM) alert logs when a background check detects a serious issue with disk group availability or redundancy. “ASM Health Checker found 1 new failure updated

“New failures” = failures not previously reported.
“Updated” = the ASM health repository now reflects the latest failure count.

A specific block (often metadata blocks 0-250) becomes unreadable, triggering a health check failure. Hardware Timeout: “New failures” = failures not previously reported

Decoding the Message: "1 New Failures Updated"

Verify Diskgroup Status:

Run the following command in the ASM instance to see which group is affected: