Re: HPT raid1 like pdc? 

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On Thu, Oct 04, 2001 at 11:41:56AM +0200, Gemes Tibor wrote:
>    Hello!
> 
>     Ok. My HPT370 RAID1 is running w/ the hpt binary driver right now.
>     It is far below the expected system performance.
> 
>     I'll get a new hdd to test whether or not is has the 10 sector
>     offset. Is it possible to do w/ user level tools, or just via
>     kernel hacking?

You can see it by doing the following:

dd if=/dev/hde of=/tmp/hde bs=1M count=4
dd if=/dev/hdf of=/tmp/hdf bs=1M count=4 skip=5120

that generates a file with the disk data of both disks (assuming they are
hde and hdf);
if you inspect the contents of that with, say, an hex editor, you should see
that they are the same. The '5120' is the assumed "offset".. 

Greetings,
   Arjan van de Ven





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