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Old 04-11-2004, 01:18 AM   #1
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Registered: Apr 2004
Location: Denver
Posts: 1

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IDE to USB drive backup with dd ?

Hello all,

Trying to find a backup solution to my computer. Ghost fails to see USB drives on my computer. I was wondering if I booted to a knoppix or other linux bootable CD, if I could use the dd command to make a exact image of my IDE hard drive to my USB hard drive. If so what are the device files for the drives (not the partitions)? I am used to hpux (hewlett packard unix) and not linux but am familiar with dd command.

what I am thinking I could do.
dd if=/dev/dsk1 of=/dev/dsk2 bs=1024k &

Note that I am not mounting anything. I just want a bit for bit copy to the other drive.

Of course linux boot cd would have to be able to work with usb drives.
I have the nforce 2 chipset if that helps.

The drives themselfs are the exact same type of western digital drive at 200GB.

The primary drive has several boot partitions and non boot partitions for booting to XP home XP pro and future linix partition. (still have not decided on a linux distro yet).

Old 04-11-2004, 09:59 AM   #2
Registered: Jan 2004
Location: Puchong, Selangor, Malaysia
Posts: 38

Rep: Reputation: 15
1. Yes u can use dd to duplicate the hd.
2. The device files in linux are:
for ide devices /dev/hd<x> (where x=a pri master, x=b pri slave, x=c sec master, x=d sec slave)
for usb devices /dev/sd<x> (where x=a first device, x=b....)



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