Re: Duplicating a file system

Joel Young (
Fri, 8 Mar 1996 21:14:48 -0500 (EST)

This may not be best, but it works for me:

say other partition is on mount,

cp -a / /mnt

you may want to do it at one level further down.
ie cp -a /bin /mnt

To create all of the
same identical devices I used the technique of backing up the /dev
directory with taper and then restoring the dev directory onto the new
drive. This takes about 5 minutes tops (back up to a file, not to the

Does anyone else have a better way, I am sure that this is hardly
optimal, however...


On Thu, 7 Mar 1996, Colin Bennett wrote:

> Ok, so this isn't exactly right for this mailing list, but this is the best
> place I could think of:
> I have two SCSI hard drives. The first drive has a linux ext2fs filesystem on
> it, the second has an empty partition. They are different sizes. Can I just
> do `dd if=/dev/sda1 of=/dev/sdb1'? Or will the filesystem get corrupted that
> way? What is the best way to duplicate a filesystem to a different sized
> partition?
> -- Colin