Sorry for jumping in late - but let's say it does "work" and a drive returns an error, is that data lost ? Or which drive is "right"? Sent from my iPhone > On 27/04/2015, at 18:37, Jean-Baptiste Thomas <cau2jeaf1honoq@xxxxxxxxxxx> wrote: > > I'm looking for a way to get MD to operate in a mode in which > reading a sector from a RAID-1 device would not succeed until it > got matching data from at least two components. > > Recent experience[1] suggests that a transient problem in one > disk can completely hose a four way RAID-1 array, which is > otherwise supposed to still be fine after a triple total > failure. I'm hoping that a paranoid mode would have prevented > that. > > If there is such a thing, PLEASE tell me. If not, please tell me > so I don't waste any more time looking for it. > > [1] "Massive RAID-1 desync" > http://www.spinics.net/lists/raid/msg48681.html > http://marc.info/?l=linux-raid&m=143003812706563&w=2 > -- > 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 -- 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
