root@ubuntu:/var/www/html# mdadm --assemble --scan >> /var/www/html/output.txt
mdadm: Devices UUID-f6f92f6e:bfe8f5d3:99aa0604:0bf69ae3 and UUID-1f0020cd:1e0c05b5:d432d635:e4de11b4 have the same name: /dev/md/0
mdadm: Duplicate MD device names in conf file were found.