How to fix the Oracle error ORA-15042: ASM disk “string” is missing from group number “string”?

In this post, you’ll learn more about the Oracle ErrorORA-15042: ASM disk “string” is missing from group number “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15042: ASM disk “string” is missing from group number “string”

Reason for the Error ORA-15042: ASM disk “string” is missing from group number “string”

The specified disk, which is a necessary part of a diskgroup, could not be found on the system.

How to fix the Error ORA-15042: ASM disk “string” is missing from group number “string” ?

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

Check the hardware configuration.