On Thu, Apr 1, 2010 at 5:48 PM, Joseph <syscon...@gmail.com> wrote: > I have two identical HD in the box and want to duplicate sda to sdb; > sdb is not even partitioned. > I think I could do: > dd if=/dev/sda of=/dev/sdb > but I need to boot from CD isn't it?
Yes, basically, boot from USB or CD and use ddrescue to clone it, then edit your fstab and I think you should be good. RAID1 would help if a drive physically dies, but if you had any filesystem corruption or anything you'd just have an identically corrupt copy on the second disk.
