Bacula-users

Re: [Bacula-users] Virtual Backups - Do we actually need full backups anymore?

2011-01-06 13:50:30
Subject: Re: [Bacula-users] Virtual Backups - Do we actually need full backups anymore?
From: Phil Stracchino <alaric AT metrocast DOT net>
To: bacula-users AT lists.sourceforge DOT net
Date: Thu, 06 Jan 2011 13:47:49 -0500
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.


-- 
  Phil Stracchino, CDK#2     DoD#299792458     ICBM: 43.5607, -71.355
  alaric AT caerllewys DOT net   alaric AT metrocast DOT net   phil AT 
co.ordinate DOT org
         Renaissance Man, Unix ronin, Perl hacker, Free Stater
                 It's not the years, it's the mileage.

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