On Wednesday 13 September 2006 20:58, Deric Abel wrote:
> In terms of disaster recovery, if I lost my bacula server along with the
> catalog (or the catalog is backed up but encrypted on a tape) can I
> still restore from an encrypted tape? From your reply I know that I need
> bacula installed to read the encrypted data, but (other then the keys)
> what else do I need to recover the encrypted data from the tape?

This is off the top of my head, so it needs to be checked, but you need:

1. A bootstrap file to recover your catalog (or a valid catalog possibly on
another machine.
2. A running Director, Storage daemon, and File daemon with their appropriate
conf files.
2. The keys.

> 
> I remember reading some where in the docs that if the job is no longer
> in the catalog then I will need to use bscan to determine what's on the
> tape and to restore from it (which is why I referenced btape, ect, in my
> last E-mail).  

bscan should be a last resort. You should have an ASCII copy of your database 
on another machine, or at a minimum a bootstrap file of the catalog backup so 
that it can be quickly recovered.


> Can I still do this with encrypted tapes or have I  misunderstood the 
process?

Yes, bscan works with encrypted Volumes as of 1.39.22 thanks to Eric.

Regards,

Kern

> 
> Thanks,
> 
> Deric
> 
> On Wed, 2006-09-13 at 18:27 +0200, Kern Sibbald wrote:
> > On Thursday 07 September 2006 20:30, Deric Abel wrote:
> > > Hello,
> > > 
> > > I am about to implement data encryption on my backup tapes using the
> > > Bacula 1.39.18, and I just had one question dealing with restoring that
> > > encrypted data.
> > > 
> > > If I were to lose my backup server (but not losing the encryption keys)
> > > because of some disaster, would I have to have all of bacula
> > > installed/setup completely or will one of the command line progames
> > > (i.e. btape) work to pull the encrypted data off of the tapes?
> > 
> > None of the command line tools support encryption.  In addition, I 
recently 
> > learned that they do not support access control lists either.
> > 
> > The only reason that most of the command line tools are there is because 3 
or 
> > 4 years ago, most people wouldn't accept a program very easily that writes 
> > the backup data in its own "non-Unix" format -- so I wrote those tools 
sort 
> > of like a security blinket, and I really would like to do away with 
bextract 
> > or rewrite it to use nothing but core routines.  
> -- 
> 

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