Oracle DBA, How To, Error, Cause and Action

ORA-15040: diskgroup is incomplete

ORA-15040: diskgroup is incomplete


Cause:


Some of the disks comprising a diskgroup were not present.



Action:


Check the hardware to ensure that all disks are functional. Also check that the setting of the ASM_DISKSTRING initialization parameter has not changed. Alternatively, for normal or high redundancy diskgroups, use MOUNT FORCE to offline missing disks as part of mounting the diskgroup.

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