Can someone help me understand superblocks and MD a little bit? I've got a raid5 array with 3 disks - sdb1, sdc1, sdd1. --examine on these 3 drives shows correct information. However, if I also examine the raw disk devices, sdb and sdd, they also appear to have superblocks with some semi valid looking information. sdc has no superblock. How can I clear these? If I unmount my raid, stop md0, it won't clear it. [root@zeus ~]# mdadm --zero-superblock /dev/hdd mdadm: Couldn't open /dev/hdd for write - not zeroing I'd like to rule out these oddities before I start on my next troubleshooting of why my array rebuilds every time I reboot :) Thanks, Greg - 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
