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To "dd" or not to "dd"?


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# 1  
To "dd" or not to "dd"?

I have a Solaris 2.7 and a Solaris 2.9 machine. I have mounted an external LINUX volumne with 1TB size on these two machines.

My problem is how do I copy files to the volume? If I use "cp", it will take for ever to finish the copy. I was thinking of using 'dd' but I am reading from the "man" that the devices should be of the same size in order to do a block by block copy.

I don't have a back up solution and am trying to use the classing method of copying files.

Can anyone suggest some thing here?

Thanks for your help.
# 2  
If the external volume is nfs mounted i don't think dd will help.
You could try to compare a remote rsync copy with compression for example with the simple cp over the nfs mount.
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