On Thu, 09 Jan 2014 09:03:37 +0100 Gionatan Danti <g.danti@xxxxxxxxxx> wrote: > >> > >> Interesting. Two question: > >> 1) from which kernel the layout is the one depicted by Wikipedia? Exactly what depiction in wikipedia are you referring to? A link to the image might help. > >> 2) it is possible, using mdadm, check what "far" layout is in use? mdadm --detail /dev/mdWHATEVER | grep Layout > > > > I cannot answer that. Neil Brown should know. > > > > Best regards > > Keld > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > Hi all, > anyone with an update on these two questions? > > I was thinking to use the kernel block trace facility to track disk > access and infer the on-disk data structure, but I haven't tried for now. > > On the other hand, I carefully looked at mdadm output, without finding > anything related to physical block placing. Look for "Layout". NeilBrown > > Any new advices on that regard? > Thanks. >
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