How to fix the Oracle error KFNDG-00304: unable to access heartbeat block of the device string:string?
In this post, you’ll learn more about the Oracle ErrorKFNDG-00304: unable to access heartbeat block of the device string:string with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
KFNDG-00304: unable to access heartbeat block of the device string:string
Reason for the Error KFNDG-00304: unable to access heartbeat block of the device string:string
Heartbeat block of the disk was corrupt.
How to fix the Error KFNDG-00304: unable to access heartbeat block of the device string:string ?
You can fix this error in Oracle by following the below steps
Verify disk header with ASM utilities, retry renamedg.
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