On Tuesday November 1, usenet@xxxxxxxxxxxxxxxx wrote: > Hi, > > The story: > > - raid5 set with four disks > - after power outage two disks were marked faulty > - reassembled the set with 3 disks (1,2,3) > - added the forth disk > - reconstruction of the set failed because of an uncorrectable sector of disk 3 > - tried to reassemble the set with disk 1,2,4. Not possible because disk 4 is in > spare mode. > > Any opportunities to get the set back with disks 1,2,4? Thanks in advance for > your help. > > mdadm v1.9.0 > linux 2.6.12.3 Best bet is to re-create the array as in mdadm -C /dev/mdX -l5 -n4 1 2 missing 4 However make sure that if you used non-defaults for chunksize or layout, you preserved those non-defaults. e.g. run mdadm -E 1 first, and look at what it says for "Chunk Size" and "Layout", and uses those explicitly. (ofcourse, substitute the real device names for 1, 2, 4 above). 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
