dd(1) performance when copiing a disk to another

Steven Hartland killing at multiplay.co.uk
Sun Oct 2 11:25:37 PDT 2005

----- Original Message ----- 
From: "Arne Wörner" <arne_woerner at yahoo.com>
> That seems to be 2 or about 2 times faster than disc->disc
> transfer... But still slower, than I would have expected...
> SATA150 sounds like the drive can do 150MB/sec...

LOL, you might want to read up on what SATA150 means.
In short it the max throughput the interface can sustain. It is NOT
what you can get of a single disk which is still fare from that,
SATA disk transfer rates typically 30 -> 50MB/s sustained.


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