On Fri, Sep 01, 2017 at 08:52:23PM -0400, David Mitchell wrote: > # mdadm --examine /dev/md0 > mdadm: No md superblock detected on /dev/md0. Everyone will assume user error at this point. /dev/md0 is not supposed to have a mdadm superblock to examine. It has a filesystem or LUKS or LVM header or whatever it is you do. For --examine you have to provide one or more member devices. You can do mdadm --detail /dev/md* or mdadm --examine /dev/sd*. > Requested from "When Things Go Wrong" > > ------------------------------------- > # mdadm --examine /dev/sd[cde]1 > /dev/sdc1: > Magic : a92b4efc > Version : 1.2 Oh look. There it is. Your superblock... Other than that I see no problems. Your Load Cycle Counts are high and for WD there are tools to finetune that behaviour but it's unclear whether that's actually a real problem. > SMART Extended Self-test Log Version: 1 (1 sectors) > Num Test_Description Status Remaining > LifeTime(hours) LBA_of_first_error > # 1 Short offline Completed without error 00% 0 - Consider running smart tests more regularly. Regards Andreas Klauer -- 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
