dump/restore don't work, handbook lies

Jerry McAllister jerrymc at msu.edu
Tue Sep 2 17:09:05 UTC 2008

On Mon, Sep 01, 2008 at 02:49:10AM +0100, RW wrote:

> On Sun, 31 Aug 2008 18:53:36 -0500
> "J.D. Bronson" <jd_bronson at sbcglobal.net> wrote:
> >
> > dump -C 32 -0Lf - / | ( cd /mnta ; restore xf - )
> One minor caveat: dumping a live filesystem require dump to take a
> snapshot, which in turn require soft-updates to be turned-on. The
> default in sysinstall is to enable it for everything but the root
> partition.

It doesn't "rewuire" the snapshot.   That is a feature that is
helpful in not missing changes and needs the '-L' flag.   But, it
will dump just nicely without it and only be momentarily confused
on restore if files are missing that show up in the dump directory
and will not even know about files that are created after the
dump directory was created.   If you can tolerate that, then it is
not a requirement.


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