Re: [Bacula-users] adding exclude to fileset forces a full backup

2010-01-15 Thread Gavin McCullagh
Hi,

On Fri, 15 Jan 2010, Silver Salonen wrote:

> > I was taken by surprise recently when I added an exclude to a fileset and
> > triggered a full backup.  I guess the rule is "any changes to the fileset
> > will trigger a full backup" but is that really necessary on an exclude?
> 
> There's an option "Ignore Fileset Changes" for not triggering full backup on 
> every change.

That's great, thanks.  The manual is a little unclear on the effect of this
though (except to point out that you lose guarantees).

http://www.bacula.org/en/rel-manual/Configuring_Director.html#SECTION00147

If, for example, I exclude "c:\pagefile.sys", will that exclusion be
completely ignored until the next scheduled full backup (ie will it keep
backing it up until then)?

If you're using accurate incremental backups and run a virtualfull, is that
equivalent to a full for these purposes, or does a real full backup have to
be run?

Many thanks for your help,
Gavin


--
Throughout its 18-year history, RSA Conference consistently attracts the
world's best and brightest in the field, creating opportunities for Conference
attendees to learn about information security's most important issues through
interactions with peers, luminaries and emerging and established companies.
http://p.sf.net/sfu/rsaconf-dev2dev
___
Bacula-users mailing list
Bacula-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bacula-users


Re: [Bacula-users] adding exclude to fileset forces a full backup

2010-01-15 Thread Silver Salonen
On Friday 15 January 2010 14:42:06 Gavin McCullagh wrote:
> Hi,
> 
> On Fri, 15 Jan 2010, Silver Salonen wrote:
> 
> > > I was taken by surprise recently when I added an exclude to a fileset 
and
> > > triggered a full backup.  I guess the rule is "any changes to the 
fileset
> > > will trigger a full backup" but is that really necessary on an exclude?
> > 
> > There's an option "Ignore Fileset Changes" for not triggering full backup 
on 
> > every change.
> 
> That's great, thanks.  The manual is a little unclear on the effect of this
> though (except to point out that you lose guarantees).
> 
> http://www.bacula.org/en/rel-
manual/Configuring_Director.html#SECTION00147
> 
> If, for example, I exclude "c:\pagefile.sys", will that exclusion be
> completely ignored until the next scheduled full backup (ie will it keep
> backing it up until then)?

No, the option means just that the next job of the fileset is not going to be 
forced to full. The effect of exclusion etc. is still there though.

> If you're using accurate incremental backups and run a virtualfull, is that
> equivalent to a full for these purposes, or does a real full backup have to
> be run?

I don't think VirtualFull backup uses fileset to see which files to check and 
which not to - I guess it just merges multiple backups. I'm not sure though. 
But if a file has been marked as deleted by an accurate incremental backup, it 
won't be included in VirtualFull.

--
Silver

--
Throughout its 18-year history, RSA Conference consistently attracts the
world's best and brightest in the field, creating opportunities for Conference
attendees to learn about information security's most important issues through
interactions with peers, luminaries and emerging and established companies.
http://p.sf.net/sfu/rsaconf-dev2dev
___
Bacula-users mailing list
Bacula-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bacula-users


Re: [Bacula-users] adding exclude to fileset forces a full backup

2010-01-15 Thread Silver Salonen
On Friday 15 January 2010 14:07:20 Gavin McCullagh wrote:
> Hi,
> 
> this may be a very unreasonable request.
> 
> If you run a full backup, then add to the fileset, then try and run an
> incremental, I can see why a full backup is triggered.
> 
> I was taken by surprise recently when I added an exclude to a fileset and
> triggered a full backup.  I guess the rule is "any changes to the fileset
> will trigger a full backup" but is that really necessary on an exclude?
> 
> I can appreciate it might be quite complicated to work out what changes had
> been made and determine if a full backup is necessary.
> 
> Gavin

There's an option "Ignore Fileset Changes" for not triggering full backup on 
every change.

--
Silver

--
Throughout its 18-year history, RSA Conference consistently attracts the
world's best and brightest in the field, creating opportunities for Conference
attendees to learn about information security's most important issues through
interactions with peers, luminaries and emerging and established companies.
http://p.sf.net/sfu/rsaconf-dev2dev
___
Bacula-users mailing list
Bacula-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bacula-users


[Bacula-users] adding exclude to fileset forces a full backup

2010-01-15 Thread Gavin McCullagh
Hi,

this may be a very unreasonable request.

If you run a full backup, then add to the fileset, then try and run an
incremental, I can see why a full backup is triggered.

I was taken by surprise recently when I added an exclude to a fileset and
triggered a full backup.  I guess the rule is "any changes to the fileset
will trigger a full backup" but is that really necessary on an exclude?

I can appreciate it might be quite complicated to work out what changes had
been made and determine if a full backup is necessary.

Gavin


--
Throughout its 18-year history, RSA Conference consistently attracts the
world's best and brightest in the field, creating opportunities for Conference
attendees to learn about information security's most important issues through
interactions with peers, luminaries and emerging and established companies.
http://p.sf.net/sfu/rsaconf-dev2dev
___
Bacula-users mailing list
Bacula-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bacula-users