To: <wjwagman@xxxxxxxxxxx>, <gorbyx@xxxxxxxxx>, <naqimirza@xxxxxxxxx>
Date: Thu, 29 Mar 2007 12:03:45 -0700
The problem with block devices (/dev/sd*) is that IO to block devices
is buffered IO - going via OS cache. Unless you open them with
O_DIRECT flag.
...or unless you bind with raw(8)
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