On Thu, 9 Mar 2006, Petar Bogdanovic wrote:

> 'ello!
>
> I just wanted to 'scrubb' my new external USB-Harddisk..
>
> ********************************************
> umass0 at uhub0 port 1 configuration 1 interface 0
> umass0: Western Digital External HDD, rev 2.00/6.02, addr 2
> umass0: using SCSI over Bulk-Only
> scsibus0 at umass0: 2 targets, 1 lun per target
> sd0 at scsibus0 target 0 lun 0: <WD, 1600BB External, 0602> disk fixed
> sd0: fabricating a geometry
> sd0: 149 GB, 152627 cyl, 64 head, 32 sec, 512 bytes/sect x 312581808 sectors
> ********************************************
>
>
> ..with..
>
> ********************************************
> cgdconfig -s cgd1 /dev/sd0a blowfish-cbc 128 </dev/urandom
> dd if=/dev/zero of=/dev/rcgd1d bs=64k
> ********************************************
>
>
> ..but unfortunately, I get this:
>
> ********************************************
> petar@starling
> $ sudo dd if=/dev/zero of=/dev/rcgd1d bs=64k
> dd: /dev/rcgd1d: Read-only file system
> 1+0 records in
> 0+0 records out
> 0 bytes transferred in 0.003 secs (0 bytes/sec)
> ********************************************
> petar@starling
> $ dmesg | tail
> (...)
> cgd1: error 30
> ********************************************
>
>
> A quick Google on mail-index didn't help and I really don't have a clue, what 
> I'm doing wrong..
>
>
> Thank you very much & with kind regards,
>
> Petar
>

What do "disklabel sd0" and "disklabel cgd1" show?

-Florian