Using RAID6 for Advanced Data Protection
This brief is available in PDF; a synopsis follows.
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RAID technology is used to protect data as well as provide more efficient data access and capacity utilization with disk-based subsystems. RAID6 is essentially an extension of RAID5 that allows for additional fault tolerance by using a second independent distributed parity scheme (dual parity).
Why Use RAID6?
- Growing adoption of less reliable drives
- High capacity means longer rebuilding time
- The failure rate significantly rises as the number of hard drives increases
