Masha To see if it is a filesize problem, try reading the block that Oracle objected to (ie block number 1048229 in dump file "/u04/exports/prod8/expdat.dmp") using an O/S tool like dd. What size is your filesystem block? 2**10 (1024*1024) = 1048576, so this block number would be fairly close to 2GiB if your filesystem block were 2K. Of course it could be a simple file corruption... Did you compress the file? did you transfer it using ftp in ascii mode? But you might expect a different error message for that. Regards Nigel