Hi, sorry for these short description :-)! Currently I'm using kernel 2.4.9 with the raidtools-0.90. The md0 device is a simple RAID1-Mirroring between hda1 and hda2. If I create a simple vg over these two disks and one disk goes bad, all of my datas are lost, isn't it? So I think it would be a nice idee to create a simple, minimum safety, mirror array and active the lvm over this array.