Hello G.W.

Thanks, perfect explained. I understand :)

Thanks a lot
Matthias

Am Montag, dem 18.11.2024 um 15:56 +0000 schrieb G.W. Haywood:
> Hi there,
> 
> To answer the question in the subject line, yes there is. :)
> 
> On Mon, 18 Nov 2024, Matthias wrote:
> 
> > I don't understand the difference between filled and not filled incremental 
> > backups.
> 
> Suppose you set up BackupPC so that when it first backs up it does one
> single full backup, then, for ever after, it does incremental backups.
> 
> Eventually you will have one filled, full backup (the first one), lots
> and lots of of unfilled, incremental backups, and one backup (the most
> recent one) which is filled even though it is an incremental backup.
> 
> If you restore _any_ of them, at the time of the restore if the backup
> is unfilled it will be filled by BackupPC.  Of course that may be very
> time-consuming, because BackupPC will have to calculate what's missing
> from the unfilled backup.
> 
> > As far as I understand, the attrib_<md5> file contains the MD5 of all 
> > files, part of a backup.
> > Indepentend if it is a full, filled incremental or not filled incremental.
> > 
> > I'm right?
> 
> I don't really understand the question.  Below are the last couple of
> backups for what I call the 'Config' share on one of my machines (it's
> our database server, the 'Config' share is basically just the content
> of the /etc/ directory on the machine).  Both backups are incremental.
> The most recent one is filled (because it's the most recent one) even
> though it's an incremental backup.  Its name is pi3bplus.  Actually it
> isn't a Pi3B+, that's a historical accident.  I'm sorry if lines wrap
> in your mail reader...
> 
> 8<----------------------------------------------------------------------8<------------------------
> ----------------------------------------------8<--------------------------------------------------
> --------------------
> 
> $ ls /var/lib/BackupPC/pc/pi3bplus/1133/fConfig/
> attrib_d49e05641bc7743e3b39a00f3ea9bfda
> 
> $ ls /var/lib/BackupPC/pc/pi3bplus/1134/fConfig/
> attrib_7ed0df1d67a47e6327bab3808f4f315f  fchrony         fdhcp                
>  fgroff           
> fkernel        fmodules-load.d  fpipewire           fpython3.7      
> frsyslog.d      
> fssl           fufw
> falternatives                            fcifs-utils     fdictionaries-common 
>  fgss             
> fldap          fmplayer         fplymouth           fpython3.9      frunit    
>       
> fsudoers.d     funbound
> fapache2                                 fconsole-setup  fdnsmasq.d           
>  fgtk-2.0         
> fld.so.conf.d  fmysql           fpolkit-1           frc0.d          fsamba    
>       
> fsv            fupdate-motd.d
> fapparmor.d                              fcron.d         fdpkg                
>  fgtk-3.0         
> flibblockdev   fnagios          fpostgresql         frc1.d          fsecurity 
>       
> fsysctl.d      fusb_modeswitch.d
> fapt                                     fcron.daily     femacs               
>  fhostapd         
> flibnl-3       fnagios-plugins  fpostgresql-common  frc2.d          fselinux  
>       
> fsysstat       fvim
> fapt-cacher                              fcron.hourly    fenvironment.d       
>  fifplugd         
> flibpaper.d    fnetwork         fppp                frc3.d          
> fsensors.d      
> fsystemd       fvulkan
> favahi                                   fcron.monthly   fexim4               
>  fImageMagick-6   
> flighttpd      fNetworkManager  fprofile.d          frc4.d          fsgml     
>       
> fterminfo      fwildmidi
> fbash_completion.d                       fcron.weekly    ffonts               
>  finit            
> flogcheck      fopenal          fpulse              frc5.d          fskel     
>       
> ftimidity      fwpa_supplicant
> fbinfmt.d                                fcsh            fgconf               
>  finit.d          
> flogrotate.d   fopenni2         fpython             frc6.d          
> fsmartmontools  
> ftmpfiles.d    fX11
> fbluetooth                               fdbus-1         fgdb                 
>  finitramfs-tools 
> fmenu          fopt             fpython2.7          frcS.d          
> fsmokeping      
> ftriggerhappy  fxdg
> fca-certificates                         fdconf          fghostscript         
>  finsserv.conf.d  
> fmenu-methods  fpam.d           fpython3            frequest-key.d  
> fsmokeping_dist 
> fudev          fxinetd.d
> fcalendar                                fdefault        fglvnd               
>  fiproute2        
> fmodprobe.d    fperl            fpython3.5          fresolvconf     fssh      
>       
> fudisks2       fxml
> 
> 8<----------------------------------------------------------------------8<------------------------
> ----------------------------------------------8<--------------------------------------------------
> --------------------
> 
> The config on this machine doesn't change often.  As you can see,
> incremental backup number 1133 doesn't contain all the directories
> which the filled incremental backup 1134 contains.
> 
> Going back more in time, backup 1128 is the oldest incremental backup
> for this share:
> 
> 8<----------------------------------------------------------------------8<------------------------
> ----------------------------------------------8<--------------------------------------------------
> --------------------
> 
> $ ls /var/lib/BackupPC/pc/pi3bplus/1128/fConfig
> attrib_c1e48843672a98d713eb37a310566746
> 
> 8<----------------------------------------------------------------------8<------------------------
> ----------------------------------------------8<--------------------------------------------------
> --------------------
> 
> Backup 1124 is the youngest full backup of the share:
> 
> 8<----------------------------------------------------------------------8<------------------------
> ----------------------------------------------8<--------------------------------------------------
> --------------------
> 
> $ ls /var/lib/BackupPC/pc/pi3bplus/1124/fConfig 
> attrib_b1de2c823acec78193dc64bac9c920d8  fchrony         fdhcp                
>  fgroff           
> fkernel        fmodules-load.d  fpipewire           fpython3.7      
> frsyslog.d      
> fssl           fufw
> falternatives                            fcifs-utils     fdictionaries-common 
>  fgss             
> fldap          fmplayer         fplymouth           fpython3.9      frunit    
>       
> fsudoers.d     funbound
> fapache2                                 fconsole-setup  fdnsmasq.d           
>  fgtk-2.0         
> fld.so.conf.d  fmysql           fpolkit-1           frc0.d          fsamba    
>       
> fsv            fupdate-motd.d
> fapparmor.d                              fcron.d         fdpkg                
>  fgtk-3.0         
> flibblockdev   fnagios          fpostgresql         frc1.d          fsecurity 
>       
> fsysctl.d      fusb_modeswitch.d
> fapt                                     fcron.daily     femacs               
>  fhostapd         
> flibnl-3       fnagios-plugins  fpostgresql-common  frc2.d          fselinux  
>       
> fsysstat       fvim
> fapt-cacher                              fcron.hourly    fenvironment.d       
>  fifplugd         
> flibpaper.d    fnetwork         fppp                frc3.d          
> fsensors.d      
> fsystemd       fvulkan
> favahi                                   fcron.monthly   fexim4               
>  fImageMagick-6   
> flighttpd      fNetworkManager  fprofile.d          frc4.d          fsgml     
>       
> fterminfo      fwildmidi
> fbash_completion.d                       fcron.weekly    ffonts               
>  finit            
> flogcheck      fopenal          fpulse              frc5.d          fskel     
>       
> ftimidity      fwpa_supplicant
> fbinfmt.d                                fcsh            fgconf               
>  finit.d          
> flogrotate.d   fopenni2         fpython             frc6.d          
> fsmartmontools  
> ftmpfiles.d    fX11
> fbluetooth                               fdbus-1         fgdb                 
>  finitramfs-tools 
> fmenu          fopt             fpython2.7          frcS.d          
> fsmokeping      
> ftriggerhappy  fxdg
> fca-certificates                         fdconf          fghostscript         
>  finsserv.conf.d  
> fmenu-methods  fpam.d           fpython3            frequest-key.d  
> fsmokeping_dist 
> fudev          fxinetd.d
> fcalendar                                fdefault        fglvnd               
>  fiproute2        
> fmodprobe.d    fperl            fpython3.5          fresolvconf     fssh      
>       
> fudisks2       fxml
> 
> 8<----------------------------------------------------------------------8<------------------------
> ----------------------------------------------8<--------------------------------------------------
> --------------------
> 
> Does any of this help?
> 



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