PowerProtect Appliance Data Invulnerability Architecture

• 1

  Overview
• 2

  Audience
• 3

  Revisions
• 4

  We value your feedback

• 1

  Introduction to PowerProtect Appliance architecture
• 2

  End-to-end verification
• 3

  Fault avoidance and containment
• 4

  New data never overwrites good data
• 5

  Fewer complex data structures
• 6

  NVRAM for fast, safe restart
• 7

  Persistent RAM protection
• 8

  No partial stripe writes
• 9

  Continuous fault detection and healing
• 10

  RAID 6: Double disk failure protection, read error protection
• 11

  “On-the-fly” error detection and correction
• 12

  Scrubbing to ensure ongoing data integrity
• 13

  File system recoverability
• 14

  Self-describing data format to ensure metadata recoverability
• 15

  File system check, if needed, is fast

• 1

  Conclusion