[CentOS] Accidentally nuked my system - any suggestions ?

Gordon Messmer wrote:
> On 12/4/18 2:01 PM, Nicolas Kovacs wrote:
>
>> I tried a hard reset, but of course, the boot process would stop short
>> very early in the process.
>
> The system should boot normally if you disconnect sdb.  Have you tried
> that?

Duh! thanks, Gordon, a simpler answer than mine, with the same effect,
that /dev/sdb failed as far as mdadm was concerned.

     mark