> > Something like:
> >
> > dd if=/host/tmp/bigfile of=/tmp/bigfile bs=1048576 count=100
> >
> > and run 'top' or 'watch something' in another terminal, which
> > sometimes completely stops updating during the write.
>
> Are you talking about missing updates for a few seconds, or for
> longer? With the common above, with top -delay 1, and with 600M of
> data, I'm seeing occasional 2-3 pauses, with one missing 5 seconds.
Yes, that sort of thing. Sometimes it pauses soon after starting the
dd, and never recovers till it's finished, but that is not easily
reproducible.
Miklos
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