Mateusz <mateusz-lists@xxxxxxxxxxxxxx> > Should in most cases [1], but IMHO it's good idea to > mdadm --zero-superblock /dev/YOU_ARE_SURE_IS_ONE_YOU_WANT_TO_ADD > before adding disk already used somewhere else. "madam --zero-superblock" is great. I will add it to my procedure. thanks a lot for the hint! > BTW, IMHO it's better to clone partition layout, and than install bootloaders > instead of dding disk. yes. but sometimes dd is easy, especially for mbr layout. anyway I think your suggestion "--zero-superblock" make things safe with new and old disks. thanks again for your kindly help.
