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Diskgroup cannot be mounted with ORA-15017 ORA-15040 ORA-15038 disk '<DISK PATH>' mismatch on 'Time Stamp' with target disk group [a] [b] (Doc ID 2379625.1)

Last updated on OCTOBER 29, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


Try to mount a diskgroup but fails:


All the disks by the paths in the ORA-15038 messages are indeed belonging to the diskgroup. They are well defined multipath UDEV disks without duplicate devices.

The storage with these disks are well shared physically between all the cluster nodes. And OS of same cluster nodes has no disk mapping issue.


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