Bacula-users

Re: [Bacula-users] DVD backup

2010-04-02 17:59:07
Subject: Re: [Bacula-users] DVD backup
From: Phil Stracchino <alaric AT metrocast DOT net>
To: bacula-users AT lists.sourceforge DOT net
Date: Fri, 02 Apr 2010 17:56:52 -0400
On 04/01/10 11:34, Stuart McGraw wrote:
> On 03/31/2010 07:27 PM, Phil Stracchino wrote:
>> [...]
>> DVD support is another issue.  Direct DVD writer support was deprecated
>> in Bacula some time ago and is explicitly unmaintained and unsupported,
>> because it turns out to be so problematic.  
>> [...]
> 
> "Explicitly?"  Where would that be exactly?
> 
> I see in http://bacula.org/en/dev-manual/Current_State_Bacula.html
> 
> + Advanced Support for most Storage Devices
>     [...]
>     * Supports writing to DVD.
> 
> If you search the main doc for "DVD" you will find it mentioned in
> many places with nary a word about "unmaintained and unsupported",
> There is even a subsection of the SD config section that describes 
> how to configure a DVD storage device.


OK, I have now cross-checked and verified this.

Yes, the documentation still covers DVD direct writing ... because that
has not been removed from the documentation yet.  (The documentation
could use a dedicated maintainer, actually.)  Yes, the old DVD direct
writing code is still there ... but it is broken, no-one is maintaining
it, and it is there only because it has not yet actually been removed.

The officially recommended method, for those who have no better means of
backup than DVD and a small enough data set to make it feasible, is to
write DVD-sized disk volumes and then burn them to DVD as a separate
operation.


-- 
  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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