About the Long-term backup Problem.

What kind of data?

• source code;
• photographs;
• music;
• video;
• mail;
• books, papers, etc;
• administrative data (bank statement, invoices, etc.).

• better if not encumbered by any known patents; ogg, png, etc.;
• popular format: MP3, JPEG, etc.

• need more and more space;

• On line:
  • privacy
  • expensive
• Network Attached Storage:
  • not long-term
• CD/DVD
  • hard to keep backups up to date
• TAPE
  • transfert rates
  • http://www.tomshardware.com/reviews/backing-tape-drives,593.html
  • http://baheyeldin.com/linux/using-tape-backup-on-linux-for-a-home-network.html

NAS + CD/DVD

• NAS:
  • all valuable data (source code, photo, music);
  • real-time backup
• CD/DVD
  • regular backup, but a little more spaced in time (need to waste a lot of time in order to have up to date backups)

Photos

• before 2004: thousands of analog photographs (backup on photos album) and 242 photos scanned.
• 2004: 76 photos;
• 2005: 249 photos;
• 2006: 308 photos;
• 2007: 397 photos;
• 2008: 787 photos;
• 2009: 610 photos;
• 2010: 2906 photos;
• 2011: 1889 photos;
• 2012: 1705 photos;
• 2013: 2302 photos.

/photos$ ls -l
total 129192
drwx------  3 cedric cedric      4096 2009-10-07 09:42 1973
drwx------  3 cedric cedric      4096 2009-10-07 09:42 1984
drwx------  3 cedric cedric      4096 2009-10-12 12:25 2001
drwx------  3 cedric cedric      4096 2009-10-12 12:23 2003
drwx------ 10 cedric cedric      4096 2009-10-07 09:50 2004
drwx------ 21 cedric cedric      4096 2009-10-07 10:06 2005
drwx------ 13 cedric cedric      4096 2009-10-07 10:14 2006
drwx------ 17 cedric cedric      4096 2010-09-04 21:55 2007
drwx------ 19 cedric cedric      4096 2010-01-01 13:35 2008
drwx------ 20 cedric cedric     20480 2009-12-31 12:30 2009
drwx------ 25 cedric cedric      4096 2010-12-30 13:15 2010
drwx------  7 cedric cedric      4096 2011-04-13 21:26 2011
-rwx------  1 cedric cedric  15470592 2011-05-04 20:44 digikam4.db
drwx------  4 cedric cedric      4096 2009-10-10 12:12 no_date
drwx------  2 cedric cedric      4096 2009-10-10 14:37 photos_scolaires
-rwx------  1 cedric cedric 116608000 2011-05-04 20:33 thumbnails-digikam.db
 
cedric@kubuntu:~/multimedia/photos$ ls -l 2010/
total 216
drwx------ 2 cedric cedric  4096 2010-01-03 14:15 2010-01_birthday-lucile_77
drwx------ 2 cedric cedric  4096 2010-01-03 16:00 2010-01_new-year
drwx------ 2 cedric cedric  4096 2010-02-14 20:14 2010-02
drwx------ 2 cedric cedric  4096 2010-03-28 14:45 2010-03
drwx------ 2 cedric cedric  4096 2010-04-25 18:44 2010-04
drwx------ 2 cedric cedric 12288 2010-06-13 15:10 2010-04_Deauville
drwx------ 2 cedric cedric  4096 2010-12-30 19:23 2010-04_Orlando
drwx------ 2 cedric cedric 16384 2010-05-30 17:45 2010-05
drwx------ 2 cedric cedric  4096 2010-06-06 18:04 2010-05_Burial-life-of-boy-of-Dom
drwx------ 2 cedric cedric  4096 2010-06-06 18:04 2010-05_Burial-life-of-girl-of-Estelle
drwx------ 2 cedric cedric  4096 2010-05-20 21:14 2010-05_Hammamet
drwx------ 2 cedric cedric 20480 2010-07-03 10:30 2010-06
drwx------ 2 cedric cedric  4096 2010-06-20 11:00 2010-06_birthday_marilyne_26
drwx------ 2 cedric cedric 20480 2010-06-04 22:52 2010-06_Tozeur
drwx------ 2 cedric cedric 20480 2010-06-06 20:08 2010-06_wedding-Dom-Estelle
drwx------ 2 cedric cedric 12288 2010-08-01 12:34 2010-07
drwx------ 2 cedric cedric  4096 2010-08-22 19:19 2010-08
drwx------ 2 cedric cedric 45056 2011-02-06 13:40 2010-08_Ireland
drwx------ 2 cedric cedric  4096 2010-10-03 16:41 2010-09
drwx------ 2 cedric cedric  4096 2010-10-18 21:50 2010-10
drwx------ 2 cedric cedric  4096 2010-11-29 17:22 2010-11
drwx------ 2 cedric cedric 12288 2011-01-01 16:21 2010-12
drwx------ 2 cedric cedric  4096 2010-12-30 13:16 2010-12_christmas
 
/photos$ ls -l 2010/2010-04_Orlando/
total 600908
-rwx------ 1 cedric cedric  5531672 2010-04-05 19:25 2010-04-05T19:25:48_01.jpg
-rwx------ 1 cedric cedric  5945981 2010-04-05 19:25 2010-04-05T19:25:56_02.jpg
-rwx------ 1 cedric cedric  5214049 2010-04-05 19:26 2010-04-05T19:26:02_03.jpg
.
.
.
-rwx------ 1 cedric cedric  5520932 2010-04-07 18:04 2010-04-07T18:04:26_91.jpg

1. transfert on computer with digiKam;
2. use the KIPI plugin to batch rename all the photographs;
3. change rights: chmod 700 *.jpg;
4. geolocalization with KIPI;
5. tag your photograps.