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Test Setup And Test Procedure

The SSD Workload Performance Analysis
By
System Hardware
Hardware
Details
CPU
Intel Core i7 920 (45 nm, 2.66 GHz, 8 MB L3 Cache)
Motherboard
Supermicro X8SAX (Socket LGA 1366), Rev. 1.0
Chipset: Intel X58 + ICH10R
BIOS: 1.0B
RAM
3 x 1 GB DDR3-1333 Corsair CM3X1024-1333C9DHX
System Hard Drive
Seagate NL35, 400 GB
ST3400832NS
7,200 RPM, SATA/150, 8 MB Cache
Power Supply
OCZ EliteXstream 800W
OCZ800EXS-EU
Benchmarks
Performance measurements
h2benchw 3.12
I/O Performance
IOMeter 2006.07.27
Database -Benchmark
Fileserver-Benchmark
Webserver-Benchmark
Workserver-Benchmark
System Software and Drivers
Driver
Details
Operating SystemWindows Vista Ultimate SP1
Intel Chipset Drivers
9.1.0.1007
AMD Graphics Drivers
Radeon 8.12
Intel Matrix Storage Drivers
8.7.0.1007


Test Procedure

In an effort to really stress the flash SSDs, we ran the following cycle on all drives:

1st cycle

  • h2benchw sequential read/write test
  • IOMeter fileserver, database, webserver, workstation profile I/O test

2nd cycle

  • h2benchw sequential read/write test
  • IOMeter fileserver, database, webserver, workstation profile I/O test

3rd cycle

  • h2benchw sequential read/write test
  • IOMeter fileserver, database, webserver, workstation profile I/O test

4th cycle

  • h2benchw sequential read/write test

5th cycle

  • h2benchw sequential read/write test

6th cycle

  • h2benchw sequential read/write test

We decided to run the sequential h2benchw test and immediately switch to I/O loads three times in a row, so the drives would have to switch from maximum throughput to maximum I/O performance repeatedly. Then we ran three additional h2benchw tests to see if and when the flash SSDs returned to their initial performance levels.

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