Re: MDADM RAID 6 Bad Superblock after reboot

[sfunk1x <sfunk1x@gmail.com>]

On 10/19/2017 02:17 PM, NeilBrown wrote:

> Anything is better than nothing..  Can we get a photo of "mdadm
> --examine" output on one of the devices (e.g. /dev/sda1) ??
> 
> Also, what mdadm version (mdadm -V) and kernel version (uname -r)?

https://imgur.com/x2rZEl5

I included an --examine of sda1 and sdf.

> mdadm never tries to edit mdadm.conf.
> It does modify files in /run/mdadm (or maybe /var/run/mdadm).
> Can we get a photo of that audit log?

I was mistaken, I think. It looks like mdadm tried to read (??) the file
and the context for the file was not set properly:

https://imgur.com/5UvFExp

In order to "fix" the issue, I ran sealert against the audit.log and
followed it's instructions, producing a rules file.

> 
> I'm very suspicious of these new drives appearing to have not metadata.
> Can you
>    od -x /dev/sdf | head
>    od -x /dev/sdf | grep a92b
> and provide a photo of the output?

grep'ing a92b scrolled off the screen, so I grabbed a portion of it,
ctrl-c' and included head:

https://imgur.com/WDcAYBc

Thanks for the help so far.