How to fix the Oracle error ORA-15333: disk is not visible on client instance?

In this post, you’ll learn more about the Oracle ErrorORA-15333: disk is not visible on client instance with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15333: disk is not visible on client instance

Reason for the Error ORA-15333: disk is not visible on client instance

An ALTER DISKGROUP ADD DISK statement specified a disk that could not be discovered by all ASM client instances.

How to fix the Error ORA-15333: disk is not visible on client instance ?

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

Check the ASM alert logs for more information. Check operating system permissions for the device and the storage subsystem configuration.

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