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[bug-obsolete-packages] bug in DD utility

From: victory tunn
Subject: [bug-obsolete-packages] bug in DD utility
Date: Thu, 28 May 2009 04:06:19 +0530

Hi All,
  I have a windows XP machine having 30 disks. I am trying to dump MBR\EBR  of 10th disk on the 27th disk using dd utility.But I am observing strange behaviour.I observed that while I am able to write MBR upto initial 26 disks,but not on the 27th disk(although its allowing me to Read MBR of 27th disk). I tried following commands:

dd of=\\.\physicaldrive27 of=c:\mbr bs= 512 count=1 (also tried \.\Physicaldrive27)

dd of=/dev/sdaa of=c:\mbr bs=512 count=1 (This syntax of using POSIX names works upto /dev/sda  to /dev/sdz)

Please point me where I am  wrong.

Warm Regards,
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