Re: Disable cache disk

[Michael Tokarev]

Yves Crespin wrote:
> Hello,
>
> I write a lot of files on a USB disk for video monitoring archiving.
> The write program is faster than the USB.
> Cache disk take all RAM and kernel start swapping and everything become 
> very slow.
> 1/ is-it possible to *really* be synchronize. I prefer to have a blocked 
> write() than use cache and get swap!
> 2/ is-it possible to disable cache disk ?

Try open() with O_DIRECT flag for a start.

/mjt
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