USB stick and some help with it.

Paul Kraus paul at
Mon Aug 3 13:26:05 UTC 2015

On Aug 3, 2015, at 9:20, Bernt Hansson <bah at> wrote:

> Have an old usbstick that i bought 5-6 years ago it's a datatraveler 150.
> I used dd to transfer a cd image to it and now i can't "clean" it of the stick.
> Tried dd if=/dev/random of=/dev/da1 bs=1m count=100 but dd just taunting me with this:
> dd: /dev/da1: Input/output error
> 1+0 records in
> 0+0 records out
> 0 bytes transferred in 65.558710 secs (0 bytes/sec)

I ran into this a bit ago with an SSD. Use gpart to add a partition map.

gpart add gpt /dev/da1

Paul Kraus
paul at

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