Storage

LSI MegaRAID 9271-8i PCIe Raid Controller Review

Test Setup

Testing on this card was performed in a number of ways. Unlike most of our normal reviews a considerable amount of time was spent using this card under real world usage  This time was originally going to be considerable less, but instead it turned into an almost four month period of time. So the break down of testing will include an extended section of real world experience in it.

Hardware

 

System 1 – Sandy Bridge

Processor Intel i7 2700k
Motherboard Asus Maximus IV Extreme
Ram 8gb G.Skill RipjawsX 2133mhz
Graphics Card Gigabyte GTX 670 OC
CPU Cooler Noctuai NH-D14
Power Supply Antec High Current Pro 750w
OS Windows 7 Ultimate 64bit sp1

 

System 2 – Ivy Bridge

Processor Intel i7 3770k
Motherboard Biostar Z77
Ram 8gb Dominator Platinum 2400mhz
Graphics Card Gigabyte GTX 670 OC
CPU Cooler Noctuai NH-D14
Power Supply Antec High Current Pro 750w
OS Windows 7 Ultimate 64bit sp1

 

 

Hard Drives 

  • Intel 330 series sata6 60GB SSD x5
  • Western Digitial VelociRaptor sata6 300GB 10k rpm HDD x2

 

Test Software

ATTO Disk Benchmark  Queue4 (stock setting), Queue 10(heavy use of on drive cache)
Crystal Disk64  Small drive/ssd test, heavily geared towards small files
AS SSD  Small drive/ssd test, heavily geared towards small files

 

 

Notes about testing

These controllers offer a large amount customization. With a large amount of time and knowledge about baseline applications you can optimize your arrays for just about any test. Being as we don’t have years of time to tweak only a few variations will be ran. That being said this controller is primarily aimed at spindled disks. which shows quite a bit in the testing. This is not abnormal, in part due to the diminishing returns shown by writing to a large array. While this may seem extremely bad when it comes to performance of some of the single SSD’s we have done on this site. I assure its not out of place.

The test that really speaks the most for this card is ATTO Disk Benchmark. Its the closest to heavy demand network usage as you will see in a server environment  Desktop applications outside of professional imaging programs generally are not written to take advantage of of this type of controller. Causing it to reflect poorly in the SSD benchmarks. This is mostly due to the intermediate level of caching that takes place in the card. As well as the single threaded nature of these benchmarks that don’t make heavy use of on drive or controller based caching.

 

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