converting running server to software raid
/dev/sda1 - boot
/dev/sda2 - root
now I am adding a second drive /dev/sdb with the exact same specs.
can I create 100% software raid on that - boot + root, everything as software RAID1, server is remotely managed.
I know how to make a raid for the root partition but I didn't find any solution so far to make the whole disk (all partitions) to software raid without copying the OS back and forth and/or having access to the server, any hints would be welcome!
