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Re: [LUG] Ensuring data is on disk
- To: list@xxxxxxxxxxxxx
- Subject: Re: [LUG] Ensuring data is on disk
- From: "Adrian Midgley (Gmail)" <amidgley@xxxxxxxxx>
- Date: Sun, 11 Jul 2010 14:30:50 +0100
- Delivered-to: dclug@xxxxxxxxxxxxxxxxxxxxx
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On Sat, 2010-07-10 at 21:01 +0100, Simon Waters wrote:
> If I write data to my external hard disk, how can I ensure that a read
> to verify that data isn't using a cache?
Philosophically, since the basis of modern computing seems to be largely
devices lying to each other ("Hello, I am a Wyse terminal, send me a
screen" etc), you can't.
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