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NetApp RAID-DP: Dual-Parity Raid 6 Protection Without Compromise

Tags:
raid,
failure,
loss,
disk

Overview As disk drive densities continue to increase, and companies adopt SATA disk drives to reduce storage costs, data loss due to concurrent disk drive failure and error in a RAID group has become a growing risk. Single-parity RAID 5 does not protect against such double-failure events. While RAID 1+0 and conventional RAID 6 do provide sufficient protection, each has serious drawbacks - RAID 1+0 requires nearly twice the number of disk drives, and conventional RAID 6 slows performance significantly. The solution is NetApp RAID-DP, an advanced RAID 6 technology. At a cost equal to or better than that of RAID 5 and with excellent performance, NetApp RAID-DP provides double-parity protection against data loss. In other words, NetApp RAID-DP technology enables "Peace of mind" enterprise storage without compromise.

Further White Paper Details
Publisher	Network Appliance (NetApp)	File Format	PDF
Date Published	October 2006	Downloads	11
Format	White Papers
Topics	RAID, Removable Storage

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