[PLUG] Network backups...

[Wil Cooley]

On Thu, 2003-03-06 at 18:42, Russell Senior wrote:
> >>>>> "Michael" == Michael Robinson <michael at ns1.robinson-west.com> writes:
> 
> Michael> [...] As far as I can tell, a linux system cannot be
> Michael> completely backed up, everything, live.
> 
> Russell> I do all my backups live.
> 
> Michael> How?  
> 
> Essentially,
> 
>    mt -f /dev/nst0 setblk 32768
>    mt -f /dev/nst0 rewind
>    mt -f /dev/nst0 fsf <n>
>    tar -C <mount-point> -b 64 -clf /dev/nst0 .
>    mt -f /dev/nst0 rewind
>    mt -f /dev/nst0 fsf <n>
>    tar -C <mount-point> -b 64 -dlf /dev/nst0 
> 
> Salt to taste to pipe over ssh for remote backups.
> 
> Note: because files change between backup and compare, the compare is
> going to generate some mismatch noise.  I generally glance at the
> output for anything unexpected.
> 
> Michael> There are open files, fifos, and possibly changing files.
> 
> In some instance that might be important.  In my circumstances, it
> hasn't proved to be.

Typically, I dump my databases/directory to files and then backup, which
means the state of the actual database files doesn't matter.

Wil
-- 
Wil Cooley                                 wcooley at nakedape.cc
Naked Ape Consulting                        http://nakedape.cc
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