diskcopy (dd) on 5.2.1 ?

[J.D. Bronson]

I have 2 100% identical SCSI drives on my freebsd machine..

What command can I do in freebsd to 'copy' one drive to another
completely (including the bootsectors and partition table) ?
da0
da1
..thanks in advance...:)

- JDB



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Re: diskcopy (dd) on 5.2.1 ?

[Adam Fabian]

On Mon, Apr 05, 2004 at 02:32:37PM -0500, J.D. Bronson wrote:
 I have 2 100% identical SCSI drives on my freebsd machine..
 
 What command can I do in freebsd to 'copy' one drive to another
 completely (including the bootsectors and partition table) ?
 
 da0
 da1

dd if=/dev/rda0 of=/dev/rda1 bs=16k

seems reasonable to me.  I have a couple of identical IDE drives;
performance doesn't pick up much after 16k blocks, but 16k is many
times faster than the default of 512 bytes.
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