

ORA-19501: read error on file " string", block number string (block size= string) If no PARMS option was specified on the ALLOCATE CHANNEL command, then this is an internal error that should be reported to Oracle. 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.


The device block size returned by sequential I/O OSD is invalid ORA-19500: device block size string is invalid
