After a large transfer, when I see an error at the end like: sent 2077917 bytes received 9290799087 bytes 2232523.00 bytes/sec total size is 11868499780 speedup is 1.28 rsync error: some files could not be transferred (code 23) at main.c(1385) [generator=2.6.9] rsync /www/reader failed ...exiting 2 How can I find these in massive log record?... I mean, what to grep for? What would output of such an error (as it occurs) look like?