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LSI MegaRAID SAS 9265-8i RAID Controller Review - Benchmarks - AIDA64 Random Access Time

Usually a product has to be outdated and outperformed before it gets replaced, but not those in LSI's portfolio.

| RAID/HBA in Storage | Posted: Feb 16, 2012 6:32 pm
TweakTown Rating: 94%      Manufacturer: LSI

AIDA64 Random Access Time

 

Version and / or Patch Used: 1.60

Developer Homepage: http://www.aida64.com

Product Homepage: http://www.aida64.com

 

 

 

AIDA64 offers several different benchmarks for testing and optimizing your system or network. The Random Access test is one of very few if not only that will measure hard drives random access times in hundredths of milliseconds as oppose to tens of milliseconds.

 

Drives with only one or two tests displayed in the write test mean that they have failed the test and their Maximum and possibly their Average Scores were very high after the cached fills. This usually happens only with controllers manufactured by JMicron and Toshiba.

 

TweakTown image content/4/5/4561_17_lsi_9265_8i_megaraid_sas_raid_controller_review.png

 

In the read access times I came away a little surprised. Here I figured the smaller block sizes would dominate the charts, but that wasn't the case. Fast Path on the other hand did an amazing job keeping latency to around .12ms in all of the read tests when the feature was enabled.

 

TweakTown image content/4/5/4561_18_lsi_9265_8i_megaraid_sas_raid_controller_review.png

 

Once again I expect to see the 8kb stripe size do much better with the write latency, but that wasn't the case. RAID 5 and RAID 6 saw an increase in write latency, but that is to be expected. Fast Path kept the redundancy levels latency in check for the most part.

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