out of curiosity, i've seen several references to this amanda system
on the coda list. does it offer significant advantages to the built-in
coda backup system? it just seems unusual that the maintainers of a
project use something other their own system to perform a task. :)

On 02/23/04, Jan Harkes <jaharkes_at_cs.cmu.edu> wrote: 

> On Mon, Feb 23, 2004 at 02:31:04PM -0600, Jason A. Pattie wrote:
> > Is there a better way to do this?  I've seen the amanda .deb's after
> > dpkg-buildpackage'ing coda CVS.  Do I just install those?  Is there
> > documentation on how to setup Amanda to directly backup the coda volumes
> > without having to run the backup-coda.sh script?
> 
> At the moment we're using a modified Amanda backup. The most significant
> modification to the original Amanda is to avoid the horrible death
> whenever they see the 'coda' backuptype show up in the configuration files.
> 
> For the rest it just wraps some scripts around sendsize and sendbackup
> on the Amanda clients. Just browsing the configuration on the backup
> server...
> 
> etc/amanda/Daily/amanda.conf:
> #
> # Coda backup types
> #
> define dumptype coda-global {
>         comment "Common setting for (daily) Coda dumps"
>         program "CODA"
>         index no
>         compress fast
>         record yes
> }
> define dumptype coda-sys {
>         comment "Coda system volumes"
>         coda-global
>         priority low
> }
> define dumptype coda-usr {
>         comment "Coda user volumes"
>         coda-global
>         priority high
> }
> define dumptype coda-usr-test {
>         comment "Testrun for dumping Coda user volumes"
>         coda-usr
>         record no
> }
> define dumptype coda-media { 
>         comment "Coda media file volumes"
>         coda-global
>         options compress-fast   
>         priority medium
> #       strategy nofull
> }
> 
> etc/amanda/Daily/disklist:
> # single replicas on viotti
> viotti          vio:p.source.coda-5                      coda-sys
> # vivaldi/mahler, replicated volumes with 2 replicas
> mahler          vm:p.photos                              coda-media
> vivaldi         vm:p.photos                              coda-media
> mahler          vm:p.coda                                coda-sys
> vivaldi         vm:p.coda                                coda-sys
> # verdi/mozart/marais, triply replicated user volumes
> marais          vmm:u.jaharkes                           coda-usr
> mozart          vmm:u.jaharkes                           coda-usr
> verdi           vmm:u.jaharkes                           coda-usr
> 
> That's about it for the server-side configuration (beyond the usual
> Amanda setup for backing up normal disks). On the Coda servers the
> amanda-client packages should set up everything with the right wrapper
> scripts around sendsize and sendbackup.
> 
> It works pretty much the same as backing up normal volumes with dump,
> except that the Coda backups are in Coda's 'voldump' format, so
> restoring is still a bit more work and it isn't possible to pull
> individual files out of the dumps.
> 
> I'm not yet 100% convinced about the reliability, it was working quite
> well during the experimental setup when my desktop was running the
> Amanda server, but since we moved that functionality to a machine in the
> lab a lot of incremental backups seem to fail. Haven't figured out yet
> what exactly is causing that.
> 
> Jan

-- 

steve simitzis : /sim' - i - jees/
          pala : saturn5 productions
 www.steve.org : 415.282.9979
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