On Mon, Jul 23, 2012 at 5:41 AM, David Fetter <david@fetter.org> wrote:
> On Mon, Jul 23, 2012 at 08:29:16AM -0400, Andrew Dunstan wrote:
>>
>>
>> I'm not sure how you automate testing a pull-the-plug scenario.
>
> I have a dim memory of how the FreeBSD project was alleged to have
> done it, namely by rigging a serial port (yes, it was that long ago)
> to the power supply of another machine and randomly cycling the power.
On Linux,
echo b > /proc/sysrq-trigger
Is supposed to take it down instantly, with no flushing of dirty buffers.
Cheers,
Jeff