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LSI MegaRAID SAS 9265-8i RAID Controller Review - Benchmarks - CrystalDiskMark

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



Version and / or Patch Used: 3.0 Technical Preview

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CrystalDiskMark is a disk benchmark software that allows us to benchmark 4K and 4K queue depths with accuracy.


Key Features:-


* Sequential reads/writes

* Random 4KB/512KB reads/writes

* Text copy

* Change dialog design

* internationalization (i18n)


Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.




In CDM we're looking at 4K and native command queuing performance. LSI's default stripe size is 64kb and it looks like they choose that size for a reason.




At this point we can call the 8kb stripe size worthless, the drives can't ramp up the speed in that small of a stripe. Fast Path gives us a small advantage in these tests, but much less than I expected.

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