[arch-general] Super weird dd problem.

[Joerg Schilling]

Thomas Bächler <thomas at archlinux.org> wrote:

> Am 10.06.2013 05:18, schrieb Anatol Pomozov:
> > "sync" is not a workaround, it is a right solution.
>
> You are wrong.
>
> > Under the hood copying in linux works following way. Every time you read
> > something from disk the file information will stay cached in memory region
> > called "buffer cache".
>
> That is true - on a mounted file system. Writing directly to a block
> device (like /dev/sdb) does not use the buffer cache in any way.

Is there still no raw device on Linux?

Jörg

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