write on device

Steve Kargl sgk at troutmask.apl.washington.edu
Sat Jan 31 09:06:39 PST 2004

On Sat, Jan 31, 2004 at 07:40:58AM +0300, Sergey Matveychuk wrote:
> Hello.
> It's looks like I can't write on devices into boot area on 5.x?
> Even when I'm root. Why?
> I can't create a partition, can't change MBR (I'm working with grub).
> Is there a workaround?

This is becoming a FAQ.  The author of GEOM has given GEOM
the useful feature of disabling writes to active devices.
You can set the kern.geom.debugflags sysctl in /boot/loader.conf
to 16 which allows footshooting.


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