Re: boot0cfg -B can't work
On Sun, Dec 05, 2010 at 04:29:24PM -0800, David Wolfskill wrote:
> From boot0cfg(8):
>
> NOTE
> Protection mechanisms in the geom(4) subsystem might prevent boot0cfg
> from being able to update the MBR on a mounted disk. Instructions for
> temporarily disabling these protection mechanisms can be found in the
> geom(4) manpage. Specifically, do a
>
> sysctl kern.geom.debugflags=0x10
>
> to allow writing to the MBR, and restore it to 0 afterwards.
>
Thanks, I remembered that boot0cfg in the previous version can do it
without changing the sysctl parameter, maybe it's changed in newer
version.
--
Regards,
Yue Wu
Key Laboratory of Modern Chinese Medicines
Department of Traditional Chinese Medicine
China Pharmaceutical University
No.24, Tongjia Xiang Street, Nanjing 210009, China
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