Yes. my mistake. I tried it with two ramdisks and I made some stupid mistake. thanks Neil 6/10/05, Neil Brown <neilb@xxxxxxxxxxxxxxx> wrote: > On Friday June 10, raziebe@xxxxxxxxx wrote: > > Hello guys. > > I tried to to raidhotadd a faulty disk to a mirror and it failed > > saying that "bd_claim failed on..." > > i took a dive into the code and it seems that when a disk in the raid > > fails the bd_holder fileld in > > the block_device struct remained with the old value although the disk > > was faulty. > > So the logical thing to do was to set rdev->bdev->bd_holder to 0x00 . > > I did it in the error() routine in raid1.c . > > This way I manage to hotadd a disk. > > Are there anyone here that can point his view regarding this matter ? > > If a drive fails, and you want to re-add it, what you should do is > first remove it, and then add it. > raidhotremove /dev/mdX /dev/sdY > raidhotadd /dev/mdX /dev/sdY > > (or equivalent mdadm commands). > > clearing bd_holder is certainly not the right thing to do. > > NeilBrown > > -- Raz Long Live the Penguin - 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
