How to fix the Oracle error ORA-15110: no diskgroups mounted?

In this post, you’ll learn more about the Oracle ErrorORA-15110: no diskgroups mounted with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15110: no diskgroups mounted

Reason for the Error ORA-15110: no diskgroups mounted

No diskgroups were specified in the ASM_DISKGROUPS parameter, so instance startup or the ALTER DISKGROUP ALL MOUNT command did not mount any diskgroups.

How to fix the Error ORA-15110: no diskgroups mounted ?

You can fix this error in Oracle by following the below steps

Specify valid diskgroups in the ASM_DISKGROUPS parameter or ignore the error.