Bacula-users

Re: [Bacula-users] Windows incremental backup based on time stamps

2009-09-29 03:02:08
Subject: Re: [Bacula-users] Windows incremental backup based on time stamps
From: ebollengier <eric AT eb.homelinux DOT org>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 28 Sep 2009 23:58:53 -0700 (PDT)


Júlio Maranhão-2 wrote:
> 
> On Mon, Sep 28, 2009 at 6:10 PM, ebollengier <eric AT eb.homelinux DOT org>
> wrote:
>> How are you 100% sure that only Bacula will change this archive bit on
>> your
>> system? (It can
>> lead to serious consistency problems if users run winzip on your back)
>> How
>> will work
>> Differential backups? (this bit would have been unset many incremental
>> backups ago).
> 
> I never told this. I only told that a Windows system (NTFS, maybe) is
> responsible to set the archive bit and that it's very related to ctime
> on Unix as a backup indicator. Windows and Unix do not match. I know
> this.
> 
> It´s not necessary to run Winzip to mess the thing. The user can
> easily change the archive bit. I agree it's risky.
> 
> 
>> How will work your solution on Unix? Does it work with VSS read-only
>> snapshots?
> 
> "My solution" is not mine. It´s very old. And my subject is
> "Windows...". As I know the Unix solution is done and seams good. As
> the VSS snapshot, do you know the answer? So enrich the discussion. I
> don't know. If you know about the Wikipedia info "NTFS has a POSIX
> change date", feel free to comment. I am here to also learn.
> 
>> The current solution uses memory, that true (the next version will
>> certainly
>> also include the
>> checksum for all files), but it covers all those situations with the same
>> piece of code (which
>> have the benefit to exist).
> 
> That's why I told that I will test Bacula in Windows for serious for
> the first time, expecting that no file is left behind. It seams like
> one-way synchronization. is It?
> 
>> Personnaly, i don't  "feel a true interest in Windows", but all new
>> features
>> are working on it.
> 
> It's good to hear this. Bacula is a very complex solution to backup.
> By complex I mean pretty complete also. The Windows incremental backup
> issue seams to be now handled. But it's new. Debian/Ubuntu packages
> are in testing phase and my expectations are high.
> 
> Cheers.
> 
> Júlio Maranhão
> 

Debian packages are quite good, but i wouldn't say that for Ubuntu :(

Bye
-- 
View this message in context: 
http://www.nabble.com/Windows-incremental-backup-based-on-time-stamps-tp25630533p25657908.html
Sent from the Bacula - Users mailing list archive at Nabble.com.


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