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One Or More Exadata Cell Server Reboots With Alert "Data hard disk entered confinement offline status" and "Disk controller was hung. Cell was power cycled to restore access to the cell." (Doc ID 2983655.1)

Last updated on DECEMBER 14, 2023

Applies to:

Oracle Exadata Hardware - Version and later
Gen 2 Exadata Cloud at Customer - Version All Versions to All Versions [Release All Releases]
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A to N/A [Release N/A]
Information in this document applies to any platform.


 Exadata storage servers running version 22.1.14 or lower experience disk confinement and reboot with the following messages in ALERTHISTORY:

ASM disk group dismount may occur if multiple storage servers are affected by this issue around the same time.

While X9M and earlier storage servers are exposed to this issue, it has only been observed on X9M storage servers, typically after adding database workload or increasing consolidation density on the system. X10M storage servers are not affected. 


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