Today we'll be looking at Matrix RAID's performance versus traditional RAID, all while using only two drives. Since Matrix RAID has no direct peers, we'll only be looking at the performance of RAID 0, RAID 1, Matrix RAID 0, and Matrix RAID 1 with Intel's ICH6R south bridge. Here's how each test configuration was set up:
When comparing the performance of the traditional and Matrix RAID configurations, keep in mind that our traditional RAID 0 array offers 320GB of storage that extends from beginning to end of both physical drives. Similarly, our RAID 1 array packs 160GB into the same space. In Matrix RAID, the physical space on each disk space is split between the RAID 0 array and the RAID 1 array.
Since it wouldn't be a party without a little single-drive action, so we also tested our system with a RAID-less single hard drive.
In all cases, the system's operating system was located on a single hard drive, separate from the drive or array being tested.
Our testing methods
All tests were run three times, and their results were averaged, using the following test systems.
|Processor||Pentium 4 3.4GHz Extreme Edition|
|System bus||800MHz (200MHz quad-pumped)|
|Motherboard||DFI LANParty 925X-T2|
|North bridge||Intel 925X MCH|
|South bridge||Intel ICH6R|
|Chipset drivers||Intel 126.96.36.1992|
|Memory size||1GB (2 DIMMs)|
|Memory type||Micron DDR2 SDRAM at 533MHz|
|CAS latency (CL)||3|
|RAS to CAS delay (tRCD)||3|
|RAS precharge (tRP)||3|
|Cycle time (tRAS)||8|
|Graphics||Radeon X700 Pro 256MB with CATALYST 5.2 drivers|
|Hard drives|| Seagate Barracuda 7200.7 SATA NCQ 120GB SATA|
Maxtor DiamondMax Plus D740X 40GB ATA/133
|OS||Windows XP Professional|
|OS updates||Service Pack 2, DirectX 9.0C|
We used the following versions of our test applications:
The test systems' Windows desktop was set at 1280x1024 in 32-bit color at an 85Hz screen refresh rate. Vertical refresh sync (vsync) was disabled for all tests. All of the 3D gaming tests used the high detail image quality settings.
All the tests and methods we employed are publicly available and reproducible. If you have questions about our methods, hit our forums to talk with us about them.
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