[CentOS] Mirroring Hard Drive

Mon Nov 17 16:42:14 UTC 2008
Matt <lm7812 at gmail.com>

> Or you could boot up with knoppix or some other livecd so the filesystem is
> not in use and mount both drives and do a:
>
> mkdir /mnt/org
> mount /dev/hdx /mnt/org
> mkdir /mnt/bckup
> mount /dev/hdx /mnt/bckup
>
> cp -af /mnt/org/* /mnt/bckup/.

Won't this command choke if there are too many files?  I think I have
run into that before.

Matt


> umount both drives
>
> then copy mbr
>
> dd if=/dev/hdx of=/dev/hdx bs=512 count=1