Messages in this thread | | | Date | Fri, 14 Mar 2008 20:03:57 +0100 | From | Pavel Machek <> | Subject | writeback cache dangers Re: [ANNOUNCE] Ramback: faster than a speeding bullet |
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Hi!
> The ingest rate at the time of a power hit makes a huge > difference as well - basically, pulling the power cord > when a box is idle is normally not harmful. Try that > when you are really pounding on the disks and you will > see corruptions a plenty without barriers ;-)
I tried that, and could not get a corrruption. cp -a on big kernel trees, on sata disk with writeback cache and no barriers... and I could not cause fs corruption. ext3.
I'd like to demo danger of writeback cache. What should I do?
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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