[CentOS] Problem with mdadm, raid1 and automatically adds any disk to raid

Tue Feb 26 05:54:03 UTC 2019
Simon Matter <simon.matter at invoca.ch>

> On 2/24/19 9:01 PM, Jobst Schmalenbach wrote:
>> I tried to delete the MDX, I removed the disks by failing them, then
>> removing each array md0, md1 and md2.
>> I also did
>>
>>    dd if=/dev/zero of=/dev/sdX bs=512 seek=$(($(blockdev --getsz
>> /dev/sdX)-1024)) count=1024
>
>
> Clearing the initial sectors doesn't do anything to clear the data in
> the partitions.  They don't become blank just because you remove them.
>
> Partition your drives, and then use "wipefs -a /dev/sd{b,c}{1,2,3}"
>
>
>> I do NOT WANT this to happen, it creates the same "SHIT" (the incorrect
>> array) over and over again (systemd frustration).
>
>
> What makes you think this has *anything* to do with systemd? Bitching
> about systemd every time you hit a problem isn't helpful.  Don't.

If it's not systemd, who else does it? Can you elaborate, please?

Regards,
Simon