Hi Neil, On Thu, Sep 20, 2012 at 1:11 AM, NeilBrown <neilb@xxxxxxx> wrote: > > Yes, the metadata has lots the most-significant-bit of the 'size'. > > So it should be sufficient to: > mdadm -G /dev/md2 --size 2930266432 > > where the size is calculated as the current "used device size" plus 2^31. > You could probably just do "--size max" > > This will cause a resync of the 2G of data which is probably unnecessary, but > is awkward to avoid. Thanks, will try. Resyncing won't overwrite the existing data, will it? Sorry for being overly cautious... Cheers, Markus -- 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