[ale] duplicating the partition layout?

Robert L. Harris Robert.L.Harris at rdlg.net
Mon Oct 22 12:33:19 EDT 2001



Odd...

Just did this and I get something odd.  My source disk has 8 
slices (not my choice).  

1-3 linux primary
4   extended
5-8 linux logical



After the dd command my target drive has this:
1-3 linux primary
4   extended
5   unknown (some very strange cylinder numbs also).


?


Thus spake Joseph A Knapka (jknapka at earthlink.net):

> "Robert L. Harris" wrote:
> > 
> > I have to duplicate a bunch of disks.  They need identicle partition
> > layouts.
> > 
> > I don't want to dd if=/dev/sda of=/dev/sdb since we're only actually
> > using 2 of the 18 gigs right now.
> 
> dd if=/dev/sda of=/dev/sdb bs=512 count=1
> 
> ought to do it. You just need to copy the first 512 bytes.
> 
> Cheers,
> 
> -- Joe 
> # "You know how many remote castles there are along the
> #  gorges? You can't MOVE for remote castles!" - Lu Tze re. Uberwald
> # Linux MM docs:
> http://home.earthlink.net/~jknapka/linux-mm/vmoutline.html



:wq!
---------------------------------------------------------------------------
Robert L. Harris                |  Micros~1 :  
Senior System Engineer          |    For when quality, reliability 
  at RnD Consulting             |      and security just aren't
                                \_       that important!
DISCLAIMER:
      These are MY OPINIONS ALONE.  I speak for no-one else.
FYI:
 perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'


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