[CLUE-Tech] creating system backups

[Brandon N]

According to the man page, if you use -F it will copy symlinks that are
within the filestructure and follow symlinks that are outside the
structure.

On a side note, I noticed there is a option in the kernel to allow
reading zipped isofs images.  The utilities for it are at 
http://www.kernel.org/pub/linux/utils/fs/zisofs

Of course, you could only read the CD with a kernel that had the
compression option enabled.

Brandon
--- Ed Hill <ed at eh3.com> wrote:
> 
> AFAIK, tar is your best bet on preserving all of the file metadata
> and
> for preserving soft-links.
> 
> I routinely use mkisofs with the "-R -f" options and sometimes with
> the
> "-R -J -f" option set.  This will "follow" soft-links (ie. copy the
> data
> into the iso image) but it will not preserve the soft-link in the way
> that you desire.  Fortunately, I don't use soft-links a lot in my
> data
> directories so its not a big issue...  If it were, I would definately
> take the time to create a tar archive first and then burn the archive
> to
> the CDR.
> 
> hth,
> Ed
> 
> 
> On Sat, 2001-12-29 at 22:01, Matt Gushee wrote:
> > jason at matchingmoms.com writes:
> >  > I'm trying to create backups of some key directories (/etc /home
> /var) and
> >  > write them to CD-ROM.
> >  > 
> >  > My first attempt was mkisofs | cdrecord, but that throws away
> the symlinks,
> >  > which I want.
> > 
> > Throwing away symlinks has nothing to do with the pipe, as far as I
> > know. Try enabling Rock Ridge extensions with the -r flag to
> mkisofs.
> > This is explained in the manual page, by the way, though not very
> > clearly.
> > 
> > By the way, why are you so dead set on not writing the CD image to
> a
> > file? Is it just lack of space on your hard drive?
> > 
> > Matt Gushee
> > Englewood, CO, USA
> 
> -- 
> Edward H. Hill III, PhD
> Post-Doctoral Researcher    |  Email:    <ed at eh3.com>,
> <ehill at mines.edu>
> Division of ESE             |  URL:      http://www.eh3.com
> Colorado School of Mines    |  Phone:    303-273-3483
> Golden, CO  80401           |  Fax:      303-273-3311
> 
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