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 - 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
