2.2.03. Disk fundamentals

  • DBMS task
    • linked to backup
  • 1y, 2y and 3y
    • e.g. DLT tape
  • Changing face of current technology
    • Impact of inexpensive harddisks
    • Flash memory devices (CF, USB)
  • Random versus sequential access
  • Latency (rotational delay) and
  • Bandwidth (data transfer rate)