On Wed, 2002-06-12 at 06:04, Ross Kendall wrote:
> 
> I'm hoping someone can help me with the construction of a shell command 
> to mirror disks across the network using ssh and dd.  I'm confident it 
> can be done, but I'm not that good at predicting the behaviour of pipes 
> etc, and I wasn't sure of appropriate block sizes.
> 
> Maybe something like this?
> ssh sourcehost 'dd if=/dev/sda3 obs=20k' | /dev/sda3

ssh sourcehost 'dd if=/dev/sda3 obs=20k' > /dev/sda3
should work if /dev/sda3 are the same size on both machines.  You might
want to just use rsync, which will save you a LOT of time and bandwidth.

rsync -av --delete -e ssh sourcehost:/mnt/sda3/ /mnt/sda3/




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