Alasdair G Kergon [firstname.lastname@example.org] wrote:
> On Wed, Jun 30, 2010 at 04:53:23PM -0700, Riches Jr, RobertX M wrote:
> > I didn't see any queues or caches in dm-linear that would need to be flushed.
> It's your test script that is not behaving as you expect
> Add conv=odirect to dd
You mean flags rather than conv? conv just converts ascii to ebcdic etc.
oflag=direct would do direct I/O on the writes and iflag=direct should do
direct I/O on reads.
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