[rdiff-backup-users] help for newbie : diff tool

[manu aradhya]

 i want to  take a diff of two binary files how can do
that anybody suguest me some tool.can i use any part
of rdiff-backup for this purpose?
                       -manu. 


--- "Andrew K. Bressen" <address@hidden> wrote: > 
> manu aradhya <address@hidden> writes:
> >  hi all iam very new to rdiff-backup   i have huge
> > file (databasefile (binary)) which will grow
> > regularly. at first i want to take full backup of
> it,
> > then everyday i want to take incremental backups
> > (diffs).i tried with rdiff-backup, 
> 
> rdiff-backup does this backwards from most other
> backup programs.
> 
> The first time you make a backup, it copies
> everything
> (makes a full backup).
> 
> When you make an increment, 
> it does not store the diffs that make the old files
> into the current files.
> 
> Instead, it turns the backup into being the same as
> the current files, 
> and stores the diffs to make it into older versions.
> 
> 
> This is good because the most recent versions of
> files are always
> easy to get to. This does not use extra bandwidth
> because it uses
> the rsync algorithm. 
> 
> >                 If i want to restore do i need to
> > start from this  first time backed file, and then
> do i
> > need to restore diffs on the same file. 
> 
> No, you use rdiff-backup to make restores, 
> and you tell it what time you want the restore to
> look like.
> It starts with the most current version of the
> files, 
> and then it applies diffs to make it into older
> versions if 
> that is what you need. . 
> 
> > i just need a full backup of the source file for
> the
> > first time (this fullbackup is going to written on
> to
> > cdrw).and everyday a incremental backup (diff).how
> to
> > restore once again ? pls somebody suguest me some
> > ideas.
> 
> rdiff-backup does not really work like this.
> it needs to always be able to get to the full backup
> and change it,
> so burning it onto a cd is not the way to go. 
> 
> Hope this helps.
> 
>   --akb 

________________________________________________________________________
Yahoo! India Mobile: Download the latest polyphonic ringtones.
Go to http://in.mobile.yahoo.com