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Configurazione di prova

Funzionamento del RAID 5 e RAID 6, al modo in cui vengono effettuati i calcoli di parità e come si comportano queste modalità con il nostro sistema di prova.

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Configurazione di prova

Hardware di sistema
Processore AMD Opteron 875 (Egypt 90 nm, 2.2 GHz, 2x2 MB L2 Cache)
Motherboard Iwill DK88 Dual Opteron Board

Chipset: Nvidia nForce Professional 2200, BIOS: 1.4
RAM 2x 1024 MB DDR-400 (CL 3.0-3-3-8)

Micron 18VDDF12872G-40BD3
Scheda grafica ATI RagelXL
Hard disk 120 GB 7,200 RPM, 8 MB Cache, SATA/300

Samsung HD120IJ
Benchmark Hard Drives 8x 320 GB 7,200 RPM, 8 MB Cache, SATA/300

Samsung HD321KJ
RAID Controller Areca ARC-1220 8-Port PCIe RAID6-Controller

Firmware V1.43 2007-4-17
DVD-ROM Teac DV-W50D
Software
ATI Graphic Windows integrated
Nvidia nForce Professional Version: 6.70
OS Windows Server 2003 Enterprise Edition, Build 3790 SP2

Test Setup

Hardware PCIe RAID Controller: Areca ARC-1220

Hardware PCIe RAID Controller: Areca ARC-1220

IWill DK88 Opteron Motherboard

IWill DK88 Opteron Motherboard

AMD Opteron 875

We still had a dual-core Opteron 875 in our shelves and decided to use this one for this project. Since we used a RAID controller with an on-board XOR unit, such a powerful processor would not have been necessary. However, we decided to avoid any possibility of creating a bottleneck.

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