NetApp RAID-DP: Dual-Parity Raid 6 Protection Without Compromise
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Overview: This white paper by Network Appliance (NetApp) outlines the issues of disk-related downtime and data loss and compares the effectiveness of available RAID technologies, highlighting the benefits of NetApp RAID-DP. The paper makes the case for NetApp RAID-DP, an advanced RAID 6 technology. While all RAID 6 implementations protect against double disk failures and MEDR, most come with a substantial performance penalty that disqualifies them from production storage environments. The paper explains why only NetApp RAID-DP mitigates the risks of RAID 5, the budget impact of RAID 1+0, and the performance issues of other RAID 6 implementations.