Hello, I think I found out my problem. I have some backup drives in my system, to backup my data to. For some reason, an AiC I use for my HDDs failed to post. Therefore, the drives I'm looking at are mostly the backup drives. Hence why there are are "00000000". Thanks guys! On Mon, 4 Aug 2025 22:21:02 -0400 simd@xxxxxxxxxxx wrote: > Hello, > I managed to find the raid6check utility here: > https://salsa.debian.org/debian/mdadm > > I downloaded and compiled the code, ran mdadm --stop on my array, and > ran ./test . Many of the tests failed, but more concerning is that I > cannot restart my array. > > # mdadm --verbose --assemble /dev/md0 > mdadm: looking for devices for /dev/md0 > mdadm: /dev/sda has wrong uuid. > mdadm: No super block found on /dev/sdb (Expected magic a92b4efc, got > 00000000) mdadm: no RAID superblock on /dev/sdb > mdadm: No super block found on /dev/sdc (Expected magic a92b4efc, got > 00000000) mdadm: no RAID superblock on /dev/sdc > mdadm: No super block found on /dev/sdd (Expected magic a92b4efc, got > 00000000) mdadm: no RAID superblock on /dev/sdd > mdadm: No super block found on /dev/sde (Expected magic a92b4efc, got > 00000000) mdadm: no RAID superblock on /dev/sde > > What do I do now? > If the test utility is so dangerous, why is there no warning to pull > your HDDs before you run ./test? Like, make test normally doesn't bork > anything. > > Thanks! >
