Knoppix and USB 2.0 external disk

  • Thread starter Thread starter ksiyan
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K

ksiyan

I am trying to clone my laptop's hard disk by booting with Knoppix 5.0.
The laptop does not have USB 2.0 so I am using a PCMCIA USB 2.0 adaptor
and connecting the external disk (SimpleDrive) to it.

I can see the external disk recognized as a scsi emulated drive
/dev/sda1. I can read this disk but when I write to it using:

dd if=/dev/hda1 of=/dev/sda1 it hangs.

If I use fdisk or cfdisk to alter the partition on /dev/sda1 it hangs.

It appears that I can read from /dev/sda1 but not write to it.

Any ideas anyone on how I can get it to write to /dev/sda1 (USB 2.0
connected external disk).

Thanks,

Karan
 
(e-mail address removed) wrote...
I am trying to clone my laptop's hard disk by booting with Knoppix 5.0.
The laptop does not have USB 2.0 so I am using a PCMCIA USB 2.0 adaptor
and connecting the external disk (SimpleDrive) to it.

I can see the external disk recognized as a scsi emulated drive
/dev/sda1. I can read this disk but when I write to it using:

dd if=/dev/hda1 of=/dev/sda1 it hangs.

If I use fdisk or cfdisk to alter the partition on /dev/sda1 it hangs.

It appears that I can read from /dev/sda1 but not write to it.

Any ideas anyone on how I can get it to write to /dev/sda1 (USB 2.0
connected external disk).
Click to expand...

Maybe your external disk was mounted as ReadOnly.

Try changing the mount point to ReadWrite.

See http://www-128.ibm.com/developerworks/linux/library/l-knopx.html
 
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