On Thursday January 12, spongebobsquarehat@xxxxxxxxx wrote: > hi, > > I created a raid5 array with 6 parts but one "missing", thus with 5 > drives. I stuck some data on it and all was well. I rebooted and it > didn't exist. I think I needed to add something to mdadm.conf or > whatnot, but anyway. I tried to manually assemble it but it told me > that one of the drives had no superblock. I did mdadm --examine > /dev/hda2 (the partition in question) and it tells me: > > mdadm: /dev/hda2 is too small for md. > > I don't really understand superblocks at all. I google'd around and > saw some suggestions that such things might be caused by corrupt > superblocks, really very little information though. Since my data is > backed up, I decided to try mdadm --zero-superblock /dev/hda2 althogh > I am not sure whether that will just certainly break things. I get > the same "too small for md". I tried everything with --force as well > with no change. The partition in question, btw, is 220GB. > > Any ideas? You didn't say what version of mdadm you are using. Can you tell us, and all run strace mdadm --examine /dev/hda2 and send the output. Thanks, 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
