Cannot fill hard drive with /dev/random

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From: James Hozier
Date: Monday, November 8, 2010 - 10:23 am

# 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?
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Messages in current thread:
Cannot fill hard drive with /dev/random, James Hozier, (Mon Nov 8, 10:23 am)
Re: Cannot fill hard drive with /dev/random, Tomas Bodzar, (Mon Nov 8, 10:29 am)
Re: Cannot fill hard drive with /dev/random, Abel Abraham Camaril ..., (Mon Nov 8, 10:30 am)
Re: Cannot fill hard drive with /dev/random, Abel Abraham Camaril ..., (Mon Nov 8, 11:09 am)