On Mon, Nov 8, 2010 at 6:23 PM, James Hozier <guitars...@yahoo.com> wrote: > # dd if=/dev/random of=/dev/sd1c & > dd: /dev/random: Input/output error > 0+0 records in > 0+0 records out > 0 bytes transferred in 0.000 secs (0 bytes/sec) > # > > But /dev/urandom (dd if=/dev/urandom of=/dev/sd1c &) works fine. Is > /dev/random not > supposed to be used for some reason or something?
man urandom http://www.openbsd.org/cgi-bin/man.cgi?query=urandom&apropos=0&sektion=0&manpath=OpenBSD+Current&arch=i386&format=html /dev/random This device is reserved for future support of hardware random generators.