On Sunday March 25, rob@xxxxxxxxxxxxxxx wrote: > Hi All, Long time Linux software raid user, first real problem. > > I built md2 with 1 missing drive and am now trying to add a drive (hda4) > > The partition that is hda4 was previously part of another raid array > md1 that no longer exists. > > I have zeroed the superblock in hda4, however when I try to add it it > sync's instantly, no rebuild. > > The original raid array md1 is several years old and was built with the > old raidtools package. > > I even ran > dd if=/dev/zero of=/dev/hda4 > just to be sure that nothing was left on the partition from the previous > raid setup and still no joy. > > Any help would be appreciated You didn't say what kernel version. I'd guess 2.6.18. You want 2.6.18.2 or later to fix this problem. NeilBrown - 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