Nvidia 680i LT SLI User Manual
Also see for nForce 680I LT SLI: Hardware user manualUser manualOverview
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Contents
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5148RAIDThe NVIDIA ® MCP55P chip alows configuring RAID on Serial ATAdrives. It supports RAID 0, RAID 1, RAID 0+1 and RAID 5.The Silicon Image Sil3132 chip allows configuring RAID on another 2Serial ATA drives. It supports RAID 0, RAID 1 and RAID 0+1.RAID LevelsRAID 0 (Striped Disk Array without Fault Tolerance)RAID 0 uses two new identical hard disk drives to read and writedata in parallel, interleaved stacks. Data is divided into stripes andeach stripe is written alternately between two disk drives. Thisimproves the I/O performance of the drives at different channel;however it is not fault tolerant. A failed disk will result in data loss inthe disk array.RAID 1 (Mirroring Disk Array with Fault Tolerance)RAID 1 copies and maintains an identical image of the data fromone drive to the other drive. If a drive fails to function, the disk arraymanagement software directs all applications to the other drive sinceit contains a complete copy of the drive’s data. This enhances dataprotection and increases fault tolerance to the entire system. Usetwo new drives or an existing drive and a new drive but the size ofthe new drive must be the same or larger than the existing drive.RAID 0+1 (Striping and Mirroring)RAID 0+1 is a combination of data striping and data mirroringproviding the benefits of both RAID 0 and RAID 1. Use four newdrives or an existing drive and three new drives for this configura-tion.RAID 5RAID 5 stripes data and parity information across hard drives. It isfault tolerant and provides better hard drive performance and morestorage capacity.Chapter 5 - RAID |
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