Re: Problems with dd under Fedora 3 Core

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On Tue, 2005-11-08 at 19:16 +0100, Jan Buchholz wrote:
> allo, 
> 
> 
> i have problems with dd under Fedora Core 3. 
> 
> 
> If the destinationsize to small dd hangs. 
> 
> 
> i use: 
> 
> 
> dd if=/dev/sda bs=16768 | tee /dev/sdb > /dev/sdc 
> 
> 
Well Doh!   You are forcing a failure and wonder that it hangs?
Make sure the destination is compatible and it will work.

BTW, doing that type of copy is recommended ONLY when both source and
destination are EXACTLY the same.  Dd does an exact byte for byte copy
of everything on the source disk.  The destination will be an exact copy
of the original in every respect (partitions, MBR, cylinders, heads,
sectors, LBA, labeling, bad blocks, etc.) even if they were not the same
before the copy started.

> Does anybody know this problem ? 
> 
> 
> Thanks 
> 
> 
> Jan 
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