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					Challenge

   Store all personal multimedia files
     – 30,000 photographs
     – 300 music CDs
     – 30 hours of VHS recordings
     – 30 hours of 8mm camcorder tapes




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Storage Sizes
   Photographs
     – Quality JPG                    3MB
     – RAW                           10MB
   Music
     – Quality CD                    600MB
     – Compressed (MP3)               50MB
   Video
     – Quality (DV)                  13GB/h
     – MPEG2                          2GB/h
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Total Storage Requirements
   Photos
     – 30,000 * 10MB                  = 300 GB
   Music
     – 300 * 0.6GB                    = 180 GB
   Video
     – 60 h * 13GB/h                  = 780 GB
   Total
     –                                 1260 GB
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Media Prices

   3.5” Hard Drive                   ¢8/GB
   2.5” Hard Drive                  ¢20/GB
   DVD (SL)                         ¢10/GB
   BD (Blu-ray)                     ¢20/GB
   SDHC                              $4/GB



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Storage Options
   Internal HD
     – 2 * $99.- (1TB)                  = $198
   External 2.5” HD
     – 3 * $109.- (500GB)               = $327
   External Docking Station
     – $39.- * $198                     = $237
   Network Attached Storage (NAS)
     – $500+
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Other Considerations

   Keep minimum 2 copies
   Keep one copy off-site
   Consider use of
     – RAID 1 (mirroring)
     – RAID 5 (striping with parity)




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posted:9/24/2011
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