High-Performance RAID-6: Why and How

RAID 5 systems are commonly deployed for data protection in most business environments. However, RAID 5 systems only tolerate a single drive failure or unrecoverable media error before losing data. The advent of low-cost SATA drives is prompting RAID vendors to use them in arrays with larger numbers of disks to optimize the overall cost per gigabyte of storage. But do larger arrays of higher capacity lower reliability drives still provide the needed protection against disk failure and irrecoverable read errors required for common applications? This webcast presents models to calculate the risk to user data with these types of arrays, and offers RAID-6 as a way to eliminate this risk.