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Differential vs. Incremental Backup

hehe, khác nhau à ^^
Added by ruby about 1 year ago  »  Votes: 1/1

Defintion

  1. Incremental backups catch day-to-day changes
  2. Differential backups catch all changes since full

Example

  1. Sets
    1. Day 1: {0, 1, 2, D}
    2. Day 2: {0, 1, 2a, 3}
    3. Day 3: {0a, 1a, 2a, 3, 4}
  2. Differential backup
    1. The first archive: {0, 1, 2, D}
    2. The second archive: {2a, 3}
    3. The third archive: {0a, 1a, 2a, 3, 4}
  3. Incremental Backup
    1. The first archive: {0, 1, 2, D}
    2. The second archive: {2a, 3}
    3. The third archive: {0a, 1a, 4}

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