On Thursday February 2, neilb@xxxxxxx wrote: > On Thursday February 2, linux-raid@xxxxxxx wrote: > > > > In any case, I have included the relevant dmesgs and a --examine and > > --detail for all drives as soon as the second (2.6.15.1) weird rebuild > > started. If you need any more info I'll do my best to provide it, but I > > thought I should at least report this. > > > Thanks for all the details. I can see what is happening. > > sdj1 (the failed drive) is claiming the same slot in the array as sdo1 > (the spare drive that has been rebuilt), so sdo1 gets rejected. > sdj1 should be rejected before that because of the old 'event' count, > but the 'autorun' code isn't doing that check. > > I'll see what I can do about fixing this. I should have added: If you mdadm --zero-superblock /dev/sdj1 the problem will go away. 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