Re: [BackupPC-users] Backuppc: browsing Archive backup

Dear Josh,

Thank you for your answer, unfortunately, I think I didn't explain myself properly, so I try again:

The backup policy I use is the one that the programs offers me, which means a full backup on day one and the six incremental backups on days 2 through 7. Also the program allows me to save this “one week” backups in different dvds or external drives. The problem I have is that now I want to restore a particular week, let’s say from last April, I have backed up using this system in an external drive. How can I do this?

I would also like to know the proper way to use backuppc if I want to continue to work this way (saving the weekly backups in external drives and later on, when the need arises, restore one of these backups). Am I using the program in an efficient way? What do you recommend me?

Thank you for your help.

El 12/04/2010 18:52, Josh Malone escribió:

On Mon, 12 Apr 2010 10:01:01 +0200, "Antonio Ramos Recoder (MONTREL S.
A.)" <antonio.ramos AT montrel DOT es> wrote:

Hi, i am a new user. I just make a archive backup because i like
to write it in a dvd. My question is: can i read de archive dvd with
backuppc cgi? and how a can read it?.

I think the short answer is "No - you can't read it with the cgi" and the
long answer is: you don't want to, anyway.


Backuppc uses an internal "pool" of files to make all the backed-up data
areas for the backed-up clients viewable from the cgi and restorable from
cgi and command line utils. These files are compressed and name-mangled
making them not suitable for a "bare-metal" restore[1].

The purpose of a archive is to create raw tarballs from files in the pool
which represent the real state of files on the backed-up client at the time
of backup. These tarballs are readable from standard GNU utils and _are_
suitable for restoring files without the help of backuppc.

Hence - you should never need to browse files on an archive -- the files
on an archive are merely a copy (in GNU tar format) of a particular backup
in the pool that *IS* browsable from the cgi.

-Josh

[1] - okay, not _truely_ bare-metal as the OS must be installed, but the
point is backuppc isn't required.

Antonio Ramos Recoder

M O N T R E L S. A.
INGENIERIA INFORMATICA
Autovía Sevilla-Cádiz, Km 6
41080 SEVILLA - ESPAÑA
Apartado de Correos 11.115
Tfno: +34-954680514
Fax: +34-954693453
www.montrel.es
e-mail: antonio.ramos AT montrel DOT es

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