"Device busy" Error When Unmounting /u01 and CRS Has Stopped Normally
(Doc ID 2216336.1)
Last updated on APRIL 12, 2022
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Oracle Exadata Storage Server Software - Version 188.8.131.52.1 and later
Oracle SuperCluster Specific Software - Version 1.x and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
- This problem is on an Oracle Engineered System (Exadata, SuperCluster, etc)
- All databases using the /u01 mount point are stopped/down.
- CRS was stopped normally with no errors ( crsctl stop crs or crsctl stop crs -f ).
- Attempting to unmount /u01 as root results in the following:
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