Bruce Evans wrote:
> > So in summary my recommendation is to add a big warning to the
> > growfs(1) man page that is should not be run on the root partition,
> > even if you have booted single-user mode and haven't mounted / yet.
> > I.e., to grow a root partition, you must boot from a different partition.
> 
> Er, it should be obvious that growfs can't reasonably work on the mounted
> partitions.  growfs.1 doesn't exist, but growfs.8 already has the warning
> in a general form:
> 
>      ....  Currently growfs can only enlarge unmounted file systems.  Do not
>      try enlarging a mounted file system, your system may panic and you will
>      not be able to use the file system any longer...

Well, I suspected that it might not work... but I would disagree that it
was *obvious* that it would not work. This was before "mount" had been
run, so / was supposedly mounted (?) read-only.

In any case, when you're talking about the danger of destroying a
filesystem it probably wouldn't hurt to have a little extra clarity
in the documentation.

Or better yet, should the kernel prevent raw writes to the / partition?
Guess that would prevent fsck from working though.

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

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