Messages in this thread | | | Date | Fri, 14 Mar 2008 10:30:20 +0100 | From | Pavel Machek <> | Subject | Re: [ANNOUNCE] Ramback: faster than a speeding bullet |
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Hi!
> > Everyone who has write cache turned on for their hard drives is > > running in a mode similar to ramback anyway (except for when the file > > system is set to force writes to the platter, but that is rare). > > Admittedly, software crashes rarely cause the write cache to be lost, > > but hardware failures do, practically every time. > > On the contrary - the hard disk cache is managed by the barrier logic in > the kernel, and the ordering even on failures is fairly predictable.
Well, not even all modern hdds support barriers... It would be really nice to have _safe_ settings by default here...
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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