Re: Disk write cache (Was: Hyper-Threading Vulnerability)

[Tomasz Torcz]

On Sun, May 15, 2005 at 11:21:36AM -0400, Gene Heskett wrote:
> >FreeBSD used these barriers (FLUSH CACHE command) long time ago.
> >
> >There are rumors that some disks ignore FLUSH CACHE command just to
> > get higher benchmarks in Windows. But I haven't heart of any proof.
> > Does anybody know, what companies fake this command?
> >
> >From a story I read elsewhere just a few days ago, this problem is 
> virtually universal even in the umpty-bucks 15,000 rpm scsi server 
> drives.  It appears that this is just another way to crank up the 
> numbers and make each drive seem faster than its competition.

 Probably you talking about this: http://www.livejournal.com/~brad/2116715.html
It has hit Slashdot yesterday.

-- 
Tomasz Torcz                 "God, root, what's the difference?"
zdzichu@xxxxxxxxxxxxxxxxx         "God is more forgiving."

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