How to fix the Oracle error ORA-19500: device block size string is invalid?

In this post, you’ll learn more about the Oracle ErrorORA-19500: device block size string is invalid with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19500: device block size string is invalid

Reason for the Error ORA-19500: device block size string is invalid

the device block size returned by sequential I/O OSD is invalid

How to fix the Error ORA-19500: device block size string is invalid ?

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

If the block size was set by using the PARMS option of the Recovery Manager ALLOCATE CHANNEL command, then the specified block size must be changed. If no PARMS option was specified on the ALLOCATE CHANNEL command, then this is an internal error that should be reported to Oracle.