At 10:56 AM 11/7/97 -0800, Jeremy Cooper wrote:
>
>
>On Fri, 7 Nov 1997, Rick Copeland wrote:
>
>> I have a Sun 3/80 that is running nicely and I would like to make an exact
>> copy of the hard disk drives for a second one that I have purchased.  So, is
>> it possible some how to copy an entire hard disk drive (I mean everything
>> including boot blocks, etc.) over to a new hard disk drive?
>
>/bin/dd, buddy, /bin/dd.  But, beware the ESP fifo re-select bug.  Make
>sure that both the source and destination drive are at SCSI ID 3 or below.
>If either drive is at ID 4 or above, re-selection will be enabled for that
>drive and some 10 blocks into the transfer you will experience many 
>``esp0: RESELECT, x bytes in FIFO!'' errors.  (This warning only applies
>if you will be copying the drives with your 3/80.)
>
>Driver bugs aside, you can copy whole disks with /bin/dd.
>
>        source       destination  (copy 128k at a time if possible)
>  dd if=/dev/sdXX of=/dev/sdXX    bs=128k
>
>The block size parameter doesn't matter that much.  However, if you make
>it too small, your transfer may take longer.  You also should make sure
>that neither the source or destination drive is currently mounted on your
>filesystem before you begin.
>
>-J

Jeremy,

I only have the one 3/80 running so to dismount that dirve I would have to
copy the drives on a i386 running netbsd or Sun 3/150 running netbsd, does
this sound doable?

Rick Copeland
Rick Copeland