On Fri, Jan 07, 2011 at 09:53:27AM +0000, Mister IT Guru wrote:
> On 06/01/2011 18:47, Phil Stracchino wrote:
> > On 01/06/11 12:54, Mister IT Guru wrote:
> >> Okay, I see the point of Virtual Full Backup - this is to be done
> >> without talking to the client at call, (i did know that! I've been doing
> >> my homework!) Well, now that I'm looking at the virtual backup in the
> >> capacity in which it was intended, it seems that a virtual full backup,
> >> is an amalgamation of the current files stored within bacula. So
> >> effectively it's a point in time snapshot from when the last
> >> differential, or incremental finished for that client?
> > Yes, that's a very good way to look at it.
> >
> >> I would still prefer to have the latest files from the client packed
> >> into this job, but I do understand, that even the very best backups
> >> really are just a point in time snapshot. Well, I'm a little upset to
> >> come to this realisation with regards to the theory of it - In practical
> >> terms, will a virtual full cause a new volume to be created?
> > No, it should create no new media, as no new data is copied, only new DB
> > records.
> >
> >
> So a VirtualFull is not just the last full plus all the latest files 
> within bacula, it also doesn't actually exist as media?
> 
> So I cannot copy a volume? This means that if I want to take a physical 
> copy of the latest full backup, I will literally have to run a full 
> backup across my entire server farm?

He was confused. A VirtualFull will create a new backup, which may involve
creating a new volume.


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